Metadata
{
"name": "aaaa",
"image": "https://timg.gesoten.com/00/nft/image/aaaa",
"external_url": "https://timg.gesoten.com/00/nft/metadata/g_172",
"description": "bbbb",
"attributes": [
{
"value": "[game_id]",
"trait_type": "game_id"
},
{
"value": "[ゲームタイトル]",
"trait_type": "game"
}
]
}