# 部分的なURLエンコード

完全なオンチェーンCNFTは通常、トークンのメタデータのsrcフィールドと画像フィールドに適切なBase64エンコードされたdataURIを割り当てることで実装されます。dataURIは、HTML、音声、画像などさまざまなデータタイプをエンコードできます。その結果、完全にオンチェーン化されたNFTは、メタデータが16Kbを超えない限り、事実上あらゆるタイプのメディアファイルをエンコードすることができます。これは標準的かつ一般的なアプローチであり、主な欠点は同じBase64エンコーディングであるため、元データが（平均して）30％大きくなる可能性があることでしょう。16Kbという制限は、常に満たさなければならないハードな制約であるため、これは難しい制限となっています。

この問題を克服するために、テキストデータ（例えば、htmlやsvg）でうまく機能する可能性のある非標準的な解決策は、いくつかの特殊文字がそれらのurlエンコードされたバージョンで置換された元のプレーンテキストの変形でbase64エンコーディングを置き換えることです。

具体的には、以下のような代替案があります：

```
% is replaced by %25
is replaced by %23
< is replaced by %3C
> is replaced by %3E
```

{% hint style="info" %}
実際には、部分的にurlエンコードされたオンチェーンNFTを表示するには、キャラクタ「%」と「#」のみを置き換える必要があります。キャラクタ< and >の置換は、NMKRがミントのためにのみ必要とするものです。
{% endhint %}

**URLエンコードのユースケース**

この方法は実装が簡単で、多くのスペースを節約できるため、より複雑なオンチェーンNFTをエンコードしてミントすることができます。一般的なユースケースはゲームのようなインタラクティブなNFTです。

**メタデータの例**

```json
{
  "721": {
    "4864e4cf3f7e7fd2318b3bb4a7060665278a47fc4a6216c55dcbbeb0": {
      "chrz2": {
        "Color": "Arctic white",
        "Enemy (Ambushman)": "Face with symbols on mouth",
        "Enemy (Happy Stoner)": "Zany face",
        "Enemy (Professor)": "Exploding head",
        "Enemy (Shadowman)": "Cowboy hat face",
        "Hero": "Face without mouth",
        "Keyboard controls": "Press any key to start, arrow keys to move hero",
        "Power-up": "Nazar amulet",
        "Special": "False",
        "Touch controls": "Tap to start, swipe up/down/left/right to move hero",
        "Twitter": "twitter.com/gamezonchain",
        "Variant": "Classic",
        "files": [
          {
            "mediaType": "text/html",
            "src": [
              "data:text/html;utf8,%3C!DOCTYPE html%3E%3Cmeta charset='utf-8'/%",
              "3E%3Cbody style='margin:0;touch-action:none;overscroll-behavior:",
              "contain;background:%23000;'%3E%3Ccanvas id='a' style='margin:aut",
              "o;display:block;'%3E%3C/canvas%3E%3Cscript%3Efunction aa(a){var ",
              "d=0;return function(){return d%3Ca.length?{done:!1,value:a[d++]}",
              ":{done:!0}}}function b(a){var d='undefined'!=typeof Symbol&&Symb",
              "ol.iterator&&a[Symbol.iterator];return d?d.call(a):{next:aa(a)}}",
              " var e,f,g,ba='ontouchstart'in window,h,l,n,p,q,r,t,u,v,w,x,y,ca",
              ",z,da=String.fromCodePoint(0x1F44E),ea=[String.fromCodePoint(129",
              "311),String.fromCodePoint(129304),String.fromCodePoint(128077),S",
              "tring.fromCodePoint(128074)],fa=String.fromCodePoint(0x1F9FF),B=",
              "[String.fromCodePoint(0x1F920),String.fromCodePoint(0x1F92C),Str",
              "ing.fromCodePoint(0x1F92F),String.fromCodePoint(0x1F92A),String.",
              "fromCodePoint(128064)],C=[String.fromCodePoint(127817),String.fr",
              "omCodePoint(127818),String.fromCodePoint(127826),String.fromCode",
              "Point(127827), String.fromCodePoint(128142)],D,ha=String.fromCod",
              "ePoint(128561),ia=String.fromCodePoint(0x1F636),E,ja,F,G,H,ka,I,",
              "la,ma,J,na,oa,pa,K,L,M,qa,ra,N=new AudioContext,O,P,Q,sa=[[1,1,1",
              ",1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1],[1",
              ",2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1",
              "],[1,4,1,1,1,1,2,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,2,1,1,1,1",
              ",4,1],[1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,2,1,1",
              ",1,1,2,1],[1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2",
              ",2,2, 2,2,2,1],[1,2,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,",
              "2,1,2,1,1,1,1,2,1],[1,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,1,2,2,2,2,2,",
              "2,2,2,1,2,2,2,2,2,2,1],[1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,2,1,2,1,1,",
              "1,1,1,1,1,1,2,1,1,1,1,1,1],[0,0,0,0,0,1,2,1,2,2,2,2,2,2,2,2,2,2,",
              "2,2,2,2,2,2,2,1,2,1,0,0,0,0,0],[1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,",
              "0,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1],[2,2,2,2,2,2,2,2,2,1,0,5,5,0,",
              "0,0,0,0,0,0,5,5,0,1,2,2,2,2,2,2,2,2,2],[1,1,1,1,1,1,2,1,2,1,1,1,",
              "1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1],[0,0,0,0,0,1,2,1, 2,2",
              ",2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,1,0,0,0,0,0],[1,1,1,1,1,1,2,1",
              ",2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1],[1,2,2,2,2,2",
              ",2,2,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1],[1,4,1,1",
              ",1,1,2,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,2,1,1,1,1,2,1],[1,2",
              ",2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,4,2,1],",
              "[1,1,1,1,2,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,1,1",
              ",1],[1,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2,1,2,2,2,2",
              ",2,2,1],[1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,1,1, 1,1,1,1,1,1,",
              "1,1,1,1,2,1],[1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,",
              "2,2,2,2,2,2,2,1],[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,",
              "1,1,1,1,1,1,1,1,1,1]];function ta(){var a=lvl,d=0;for(i=0;i%3Ca.",
              "length;i++)d+=a[i].reduce(function(c,k){return 2==k?c+1:c},0);re",
              "turn d}function ua(a){return 0+Math.floor(Math.random()*(a-0+1))",
              "} function S(){z=0;qa=!1;y=!0;P=[];ma=[8,15];ja=[1,1,30,60];J=0;",
              "lvl=sa.map(function(d){return d.slice()});la=ta();H=ka=7;v=0;G=3",
              ";t=!1;var a=window.devicePixelRatio;e=document.getElementById('a",
              "');f=Math.min(window.innerWidth,window.innerHeight);e.width=e.he",
              "ight=f*a;g=e.getContext('2d');g.scale(a,a);e.style.width=e.style",
              ".height=f+'px';q=r=0==(f/33|0)%252?f/33|0:(f/33|0)-1;n=33*q;p=22",
              "*r;h=(f-n)/2;l=(f-p)/2;u={x:h+q+q/2,y:l+20*r+r/2,j:ia,speed:q/8,",
              "g:1,i:1,l:1};g.fillStyle='%23F4F3EF';g.strokeStyle='%23F4F3EF'; ",
              "F=(f-p)/2|0;g.font=4*r+'px Monospace';g.textAlign='center';g.tex",
              "tBaseline='bottom';g.strokeText('CHRZ',f/2,F);va();T(0,0,lvl.len",
              "gth,lvl[0].length);ba?window.addEventListener('touchstart',U,!0)",
              ":window.addEventListener('keydown',U);x=requestAnimationFrame(wa",
              ")}function xa(){g.clearRect(h,l+p,f/2,F/3);g.textAlign='left';g.",
              "o='top';g.font=1.5*q+'px Monospace';g.strokeText('SCORE:'+v,h,l+",
              "p+r+r/10);g.textAlign='center';g.font=q-4+'px serif'} function y",
              "a(){g.clearRect(.7*f,l+p,.3*f,F/3);g.textAlign='right';g.o='top'",
              ";g.font=1.5*q+'px Monospace';for(var a='',d=0;d%3CG;d++)a+=u.j;g",
              ".strokeText(a,h+n,l+p+r+r/10);g.textAlign='center';g.font=q-4+'p",
              "x serif'}function va(){E=[];var a=0;for(i=0;i%3Clvl.length;i++)f",
              "or(j=0;j%3Clvl[i].length;j++)5==lvl[i][j]&&(0==lvl[i][j],E.push(",
              "{x:h+j*q+q/2,y:l+i*r+r/2,type:a,j:B[a],speed:q/8,h:Math.floor(4*",
              "Math.random()),m:ja[a],status:1}),a++)} function V(a,d,c){var k=",
              "a.h;d=[Math.abs(a.x-d)+Math.abs(a.y-r-c),Math.abs(a.x-d)+Math.ab",
              "s(a.y+r-c),Math.abs(a.x-q-d)+Math.abs(a.y-c),Math.abs(a.x+q-d)+M",
              "ath.abs(a.y-c)];for(c=0;4%3Ec;c++)za(a.x,a.y,c)&&(d[c]=1E4);0==k",
              "&&(d[1]=1E4);1==k&&(d[0]=1E4);2==k&&(d[3]=1E4);3==k&&(d[2]=1E4);",
              "a=Math.min;k=a.apply;if(d instanceof Array)c=d;else{c=b(d);for(v",
              "ar m,A=[];!(m=c.next()).done;)A.push(m.value);c=A}a=k.call(a,Mat",
              "h,c);return d.indexOf(a)} function Aa(a){W(a)&&!a.status&&(a.spe",
              "ed=q/8);if(!W(a)||!za(a.x,a.y,a.h)){if(W(a)){var d=b(X(a.x,a.y))",
              ",c=d.next().value;d=d.next().value;10==c&&16==d&&(2==a.status&&(",
              "a.status=1,a.j=B[a.type]),!y&&0%3Ca.m&&(a.h=.5%3CMath.random()?2",
              ":3))}switch(a.h){case 0:a.y-=a.speed;break;case 1:a.y+=a.speed;b",
              "reak;case 2:a.x-=a.speed;break;case 3:a.x+=a.speed}Ba(a)}}functi",
              "on Ca(a,d){g.clearRect(h+d*q-q,l+a*r-r,3*q,3*r)}function Da(a){a",
              ".preventDefault();a.stopPropagation();a=a.touches[0];L=a.pageX;M",
              "=a.pageY} function Ea(a){a.preventDefault();a.stopPropagation();",
              "if(L&&M){var d=L-a.touches[0].pageX;a=M-a.touches[0].pageY;Math.",
              "abs(d)%3EMath.abs(a)?0%3Ed?(2==u.g&&(u.g=3),u.i=3):(3==u.g&&(u.g",
              "=2),u.i=2):0%3Ea?(0==u.g&&(u.g=1),u.i=1):(1==u.g&&(u.g=0),u.i=0)",
              ";M=L=null}}function Fa(a){'ArrowUp'==a.key&&(1==u.g&&(u.g=0),u.i",
              "=0);'ArrowDown'==a.key&&(0==u.g&&(u.g=1),u.i=1);'ArrowLeft'==a.k",
              "ey&&(3==u.g&&(u.g=2),u.i=2);'ArrowRight'==a.key&&(2==u.g&&(u.g=3",
              "),u.i=3);a.preventDefault()} function Ga(){var a=(u.y-l-r/2)/r|0",
              ",d=(u.x-h-q/2)/q|0;switch(lvl[a][d]){case 0:z=0;break;case 2:lvl",
              "[a][d]=0;z||(Y(30,150,'triangle'),z=1);la--;P.push([a,d]);0==la&",
              "&(ra=!0);E.forEach(function(c){c.m--;ja[c.type]--});v+=10;break;",
              "case 4:lvl[a][d]=0;clearInterval(ca);Y(40,1900,'square');t=!0;v+",
              "=50;H=ka;u.l=1;E.forEach(function(c){2!=c.status&&(c.status=1,c.",
              "j=ha,c.speed=q/16)});I=1E3;ca=setInterval(Ha,200);break;case 6:l",
              "vl[a][d]=0,Y(120,300,'square'),a=200+D*D*200,v+=a,g.font=4*r+'px",
              " Monospace',g.textAlign= 'center',g.textBaseline='bottom',g.fill",
              "Text(C[D]+a+C[D],f/2,F),setTimeout(function(){g.clearRect(0,0,f,",
              "l)},800),g.textBaseline='middle',g.font=q-4+'px serif'}}function",
              " Ha(){I-=200;t&&Ia(900,'sawtooth',10,100,.2);0==I&&(H--,I=1E3);2",
              "%3E=H&&E.forEach(function(a){2!=a.status&&(a.j=a.j==B[a.type]?ha",
              ":B[a.type])});0==H&&(H=ka,t=!1,E.forEach(function(a){2!=a.status",
              "&&(a.status=0,a.j=B[a.type])}),clearInterval(ca))}function X(a,d",
              "){return[(d-l-r/2)/r|0,(a-h-q/2)/q|0]} function za(a,d,c){d=b(X(",
              "a,d));a=d.next().value;var k=d=d.next().value,m=a;1==c&&(m=a+1);",
              "0==c&&(m=a-1);2==c&&(k=d-1);3==c&&(k=d+1);return 1==lvl[m][k]?!0",
              ":!1}function W(a){var d=a.y;return Number.isInteger((a.x-h+q/2)/",
              "q)&&Number.isInteger((d-l-r/2)/r)} function Ja(){if(u.g!=u.i&&W(",
              "u)){var a=b(X(u.x,u.y)),d=a.next().value;a=a.next().value;if(8==",
              "d&&16==a&&1==u.i){u.i=u.g;return}za(u.x,u.y,u.i)||(u.g=u.i)}if(!",
              "W(u)||!za(u.x,u.y,u.g)){u.x%3Eh+n&&(u.g=3);u.x%3Ch&&(u.g=2);swit",
              "ch(u.g){case 0:u.y-=u.speed;break;case 1:u.y+=u.speed;break;case",
              " 2:u.x-=u.speed;break;case 3:u.x+=u.speed}Ba(u)}}function Ba(a){",
              "a.x%3E=33*q+h&&(g.clearRect(a.x-q,a.y-r/2,2*q,r),a.x=h+q/2);a.x%",
              "3C=h&&(g.clearRect(a.x-q/2,a.y-r/2,q,r),a.x=h+32*q+q/2)} functio",
              "n wa(){qa&&(g.font=4*r+'px Monospace',g.textAlign='center',g.tex",
              "tBaseline='bottom',g.strokeText('OH'+String.fromCodePoint(128128",
              ")+'NO',f/2,F));E.forEach(function(a){var d=b(X(a.x,a.y));a=d.nex",
              "t().value;d=d.next().value;Ca(a,d);T(a-1,d-1,a+2,d+2)});E.forEac",
              "h(function(a){g.fillText(a.j,a.x,a.y);Aa(a);W(a)&&(a.h=V(a,ua(f)",
              ",ua(f)))});x=requestAnimationFrame(wa)}var Z=0,Ka; function La()",
              "{g.clearRect(0,0,f,f);T(0,0,lvl.length,lvl[0].length);g.font=4*r",
              "+'px Monospace';g.textAlign='center';g.textBaseline='bottom';4%3",
              "EZ?(g.strokeText(ea[Z++],f/2,F),Y(100,200,'triangle')):(Z=0,Y(10",
              "0,400,'triangle'),clearInterval(Ka),ra=!1,Q=null,g.textAlign='ce",
              "nter',g.font=q-4+'px serif',M=L=null,ba?(document.addEventListen",
              "er('touchstart',Da,!0),document.addEventListener('touchmove',Ea,",
              "!0)):window.addEventListener('keydown',Fa,!0),y=!1,g.clearRect(0",
              ",0,f,f),T(0,0,lvl.length,lvl[0].length),u.x= h+q+q/2,u.y=l+20*r+",
              "r/2,D=0,u.g=1,u.i=1,g.fillText(u.j,u.x,u.y),va(),O=K=0,pa=perfor",
              "mance.now(),w=requestAnimationFrame(Ma))}function U(){'running'!",
              "==N.state&&N.resume();window.removeEventListener('keydown',U);wi",
              "ndow.removeEventListener('touchstart',U,!0);cancelAnimationFrame",
              "(x);Ka=setInterval(La,500)} function Ma(){na=performance.now();o",
              "a=(na-pa)/1E3;pa=na;K+=oa;O+=oa;.5%3CO&&(O=0,Ia(200,'triangle',2",
              "0,380,.1));1==J&&4%3CK&&(null!=Q&&(lvl[P[Q][0]][P[Q][1]]=0),g.fi",
              "llStyle='%23000',null!=Q&&g.fillRect(P[Q][1]*q+h,P[Q][0]*r+l,q,r",
              "),g.fillStyle='%23F4F3EF',D=++D%25C.length);K%3E=ma[J]&&(K=0,Y(7",
              "0,800,'sine'),J||(Q=ua(P.length-1),lvl[P[Q][0]][P[Q][1]]=6,g.fil",
              "lText(C[D],P[Q][1]*q+h+q/2+r/12,P[Q][0]*r+l+r/2+r/12)),J=++J%252",
              ");var a=b(X(u.x,u.y)),d=a.next().value;a=a.next().value;Ca(d,a);",
              "ya();T(d-1,a-1,d+2,a+2);xa();E.forEach(function(c){var k= b(X(c.",
              "x,c.y));c=k.next().value;k=k.next().value;Ca(c,k);T(c-1,k-1,c+2,",
              "k+2)});g.fillText(u.j,u.x,u.y);Ga();Na();Ja();E.forEach(function",
              "(c){g.strokeText(c.j,c.x,c.y);Aa(c);if(W(c))if(2==c.status)c.spe",
              "ed=q/8,c.h=c.x%3C16*r+l+r/2?V(c,11*r+l+r/2,10*r+l+r/2):V(c,22*r+",
              "l+r/2,10*r+l+r/2);else if(J){0==c.type&&(c.h=V(c,u.x,u.y));1==c.",
              "type&&(0==u.g&&(c.h=V(c,u.x,u.y-5*q)),1==u.g&&(c.h=V(c,u.x,u.y+5",
              "*q)),2==u.g&&(c.h=V(c,u.x-5*q,u.y)),3==u.g&&(c.h=V(c,u.x+5*q,u.y",
              ")));if(2==c.type){if(0==u.g){var k=u.y-2*q;var m= u.x}1==u.g&&(k",
              "=u.y+2*q,m=u.x);2==u.g&&(m=u.x-2*q,k=u.y);3==u.g&&(m=u.x+2*q,k=u",
              ".y);c.h=V(c,m-(E[0].x-m),k-(E[0].y-k))}3==c.type&&(c.h=Math.sqrt",
              "(Math.pow(u.x-c.x,2)+Math.pow(u.y-c.y,2))%3E8*q?V(c,u.x,u.y):V(c",
              ",f,f))}else 0==c.type&&(c.h=V(c,0,0)),1==c.type&&(c.h=V(c,f,0)),",
              "2==c.type&&(c.h=V(c,0,f)),3==c.type&&(c.h=V(c,f,f))})}var Oa; fu",
              "nction Na(){var a=1;ra?Oa=setInterval(Pa,800):(E.forEach(functio",
              "n(d){Math.abs(u.y-d.y)%3C=r/2&&Math.abs(u.x-d.x)%3C=q/2&&(t?1==d",
              ".status&&(g.clearRect(0,0,f,l),Y(100,160,'triangle'),d.status=2,",
              "v+=200*u.l,u.l*=2,d.j=B[4],g.font=4*r+'px Monospace',g.textAlign",
              "='center',g.textBaseline='bottom',g.fillText(B[d.type]+200*u.l+B",
              "[d.type],f/2,F),setTimeout(function(){g.clearRect(0,0,f,l)},800)",
              ",g.textBaseline='middle',g.font=q-4+'px serif'):2!=d.status&&(G-",
              "-,a=0,ya()))}),a?w=requestAnimationFrame(Ma):0%3CG?(qa=!0, Y(400",
              ",50,'sawtooth'),ba?(document.removeEventListener('touchstart',Da",
              ",!0),document.removeEventListener('touchmove',Ea,!0)):window.rem",
              "oveEventListener('keydown',Fa,!0),null!=Q&&(lvl[P[Q][0]][P[Q][1]",
              "]=0),y=!0,cancelAnimationFrame(w),x=requestAnimationFrame(wa),se",
              "tTimeout(U,1500)):(g.font=4*r+'px Monospace',g.textAlign='center",
              "',g.textBaseline='bottom',Y(400,50,'sawtooth'),g.strokeText('GAM",
              "E'+da+'OVER',f/2,F),T(0,0,lvl.length,lvl[0].length),setTimeout(S",
              ",3E3)))} function Pa(){var a=String.fromCodePoint('0x274C'),d=St",
              "ring.fromCodePoint('0x1F3C6');g.clearRect(0,0,f,f);T(0,0,lvl.len",
              "gth,lvl[0].length);xa();g.font=4*r+'px Monospace';g.textAlign='c",
              "enter';g.textBaseline='bottom';4%3EZ?(g.strokeText(B[Z++],f/2,F)",
              ",setTimeout(function(){Y(200,40,'sawtooth');g.strokeText(a,f/2,F",
              ")},300)):(Z=0,Y(300,800,'triangle'),clearInterval(Oa),g.strokeTe",
              "xt(d+d+ia+d+d,f/2,F),setTimeout(S,3E3))} function T(a,d,c,k){g.t",
              "extBaseline='middle';for(g.font=q-4+'px serif';a%3Cc;a++)for(var",
              " m=d;m%3Ck;m++)1==lvl[a][m]&&g.fillRect(m*q+h,a*r+l,q,r),2==lvl[",
              "a][m]&&(g.beginPath(),g.arc(m*q+h+q/2,a*r+l+r/2,q/8,0,2*Math.PI,",
              "!0),g.stroke()),4==lvl[a][m]&&g.fillText(fa,m*q+h+q/2+r/12,a*r+l",
              "+r/2+r/12),6==lvl[a][m]&&g.fillText(C[D],m*q+h+q/2+r/12,a*r+l+r/",
              "2+r/12)} function Ia(a,d,c,k,m){var A=N.createGain(),R=N.createO",
              "scillator();A.connect(N.destination);A.gain.setValueAtTime(0,N.c",
              "urrentTime);A.gain.linearRampToValueAtTime(m,N.currentTime+c/1E3",
              ");A.gain.linearRampToValueAtTime(0,N.currentTime+k/1E3);R.freque",
              "ncy.value=a;R.type=d;R.connect(A);R.start(0);R.stop(N.currentTim",
              "e+k/1E3)}function Y(a,d,c){Ia(d,c,10,a,.8)}window.addEventListen",
              "er('resize',function(){clearInterval(Ka);cancelAnimationFrame(x)",
              ";cancelAnimationFrame(w);S()});S(); %3C/script%3E%3C/body%3E"
            ]
          }
        ],
        "image": [
          "data:image/svg+xml;utf8,%3Csvg width='500' height='560' viewBox=",
          "'0 0 500 560' xmlns='http://www.w3.org/2000/svg'%3E %3Crect widt",
          "h='500' height='560' fill='%23F4F3EF' /%3E %3Ccircle stroke='%23",
          "ba0001' stroke-width='10' cx='250' cy='250'  fill='%23000' r='24",
          "0'/%3E%3Cg text-anchor='middle' style='font:700 50pt monospace' ",
          "fill='%23ba0001'%3E%3Ctext x='50%25' y='25%25'%3E C H R Z %3C/te",
          "xt%3E %3Ctext x='50%25' y='240'%3E &%23x1F920; &%23x1F92C; &%23x",
          "1F92F; &%23x1F92A; %3C/text%3E %3Ctext x='50%25' y='330'%3E VS%3",
          "C/text%3E %3Ctext x='50%25' y='430'%3E &%23x1F636;%3C/text%3E %3",
          "Ctext x='50%25' y='550'%3E CLASSIC %3C/text%3E%3C/g%3E%3C/svg%3E"
        ],
        "mediaType": "image/svg+xml",
        "name": "CHRZ #2"
      }
    }
  }
}
```

{% hint style="info" %}
NMKRのメタデータチェックオプションでは、メタデータが構文的に正しいかどうかを検証することはできません。疑問がある場合は、テストNFTをミントしてください。
{% endhint %}

#### Example NFT&#x20;

{% embed url="<https://pool.pm/asset13g64ttk7tntqkusj0c9x4xe780s26y4n0nsqds>" %}
Link to the example NFT
{% endembed %}

このトピックに多くの貴重な情報を提供してくれた[ Gamez On Chainに](https://twitter.com/gamezonchain)心より感謝を申し上げます。


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.nmkr.io/jp/nmkr-studio/tkun/metadta/naonchnnft/naurlenkdo.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.