Execute a pending signing request with the API client signer.
Your API token. Required for all API requests.
The UUID of the signing request. Currently only signing requests of API wallets are supported.
Success
The hash of the signed transaction, Present only when status is STATUS_SUCCEEDED.This does not mean that the transaction it self is successful. It only means that the signing request has been signed.
The signatures of the raw message, Present only when status is STATUS_SUCCEEDED.
The signed transaction for broadcast, Present only when status is STATUS_SUCCEEDED.