def METHOD_NAME(self,
                       bip32_path: str,
                       domain_hash: bytes,
                       message_hash: bytes) -> bytes:
    data = pack_derivation_path(bip32_path)
    data += domain_hash
    data += message_hash
    return self._serialize(InsType.EIP712_SIGN,
                           P1Type.COMPLETE_SEND,
                           P2Type.LEGACY_IMPLEM,
                           data)