OptionalcoinWhen recipientAddress is omitted, this contains readable arguments
pointing to each claimed coin output (one per non-zero collateral balance
held by the integrator's global vault), so callers can wire them into
subsequent steps. Empty if the vault holds no balances.
Base64-encoded Sui TransactionKind representing the claim (and
optional transfer) transaction.
Response payload for claim integrator vault fees transaction.
Contains the transaction kind and optionally the coin output arguments when no recipient address was provided.