{
  "pay_royalty": "<Bool>"
}

None

{
  "Enum": [
    {
      "TokenMetadata": {
        "metadata_url": {
          "hash": {
            "Enum": [
              {
                "None": []
              },
              {
                "Some": [
                  "<String of size 64 containing lowercase hex characters.>"
                ]
              }
            ]
          },
          "url": "<String>"
        },
        "token_id": "<String with lowercase hex>"
      }
    },
    {
      "UpdateOperator": {
        "operator": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "owner": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "update": {
          "Enum": [
            {
              "Remove": []
            },
            {
              "Add": []
            }
          ]
        }
      }
    },
    {
      "Burn": {
        "amount": "<String of size at most 74 containing an unsigned integer.>",
        "owner": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "token_id": "<String with lowercase hex>"
      }
    },
    {
      "Mint": {
        "amount": "<String of size at most 74 containing an unsigned integer.>",
        "owner": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "token_id": "<String with lowercase hex>"
      }
    },
    {
      "Transfer": {
        "amount": "<String of size at most 74 containing an unsigned integer.>",
        "from": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "to": {
          "Enum": [
            {
              "Account": [
                "<AccountAddress>"
              ]
            },
            {
              "Contract": [
                {
                  "index": "<UInt64>",
                  "subindex": "<UInt64>"
                }
              ]
            }
          ]
        },
        "token_id": "<String with lowercase hex>"
      }
    }
  ]
}