Optionaldecryption_Present when encrypted_state is failed_decryption. Not yet surfaced by the REST API; reserved for future use.
Optionalencryption_Ledger epoch hint for the encryption key used on the wire (aptos-core EncryptedInner.encryption_epoch).
Encrypted payload response when the node has not yet decrypted it, or decryption failed. Narrow on
encrypted_stateto distinguish from DecryptedEncryptedTransactionPayloadResponse.