TransferAsset

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://opensea.io/schemas/TransferAsset",
  "title": "TransferAsset",
  "type": "object",
  "description": "An asset to transfer",
  "properties": {
    "chain": {
      "type": "string",
      "description": "The chain the asset is on (e.g. ethereum, base, solana)",
      "example": "ethereum"
    },
    "contract": {
      "type": "string",
      "description": "The contract address of the asset",
      "example": "0xBd3531dA5CF5857e7CfAA92426877b022e612cf8"
    },
    "token_id": {
      "type": "string",
      "description": "The token ID of the asset",
      "example": 1234
    },
    "quantity": {
      "type": "string",
      "description": "The quantity to transfer in raw units (1 for ERC721, raw amount for ERC1155/fungible)",
      "example": 1
    }
  },
  "required": [
    "chain",
    "contract",
    "quantity",
    "token_id"
  ]
}