| Name | Type | Description | Notes |
|---|---|---|---|
| sourceType | WalletSubtype | ||
| walletId | UUID | The wallet ID. | |
| address | String | Indicates the wallet address to be used as the source of funds. - For UTXO-based chains: both `address` and `included_utxos` are optional. If both `address` and `included_utxos` are provided, the UTXOs must belong to the specified address. If neither `address` nor `included_utxos` is provided, the system will select UTXOs from the wallet associated with `wallet_id`. - For account-based chains: You need to provide `address` otherwise the token transfer will fail. However, when estimating fees for a transfer, `address` is not required. For detailed rules on `address` and `included_utxos` in both regular and RBF transactions, see Address and included_utxos usage. | [optional] |
| includedUtxos | List<TransactionUtxo> | [optional] | |
| excludedUtxos | List<TransactionUtxo> | [optional] | |
| mpcUsedKeyShareHolderGroup | MpcSigningGroup | [optional] |