crayfishplay

{
  "name": "st_crayfish_nft",
  "base": "",
  "fields": [
    {
      "name": "nft_id",
      "type": "uint64"
    },
    {
      "name": "category",
      "type": "name"
    },
    {
      "name": "timestamp",
      "type": "uint64"
    },
    {
      "name": "weight",
      "type": "uint64"
    }
  ]
}