code: def send_raw_transaction(self, tx: Transaction, is_full: bool = False) -> str:
          
          tx_data = tx.serialize(is_hex=True)
          payload = self.generate_json_rpc_payload(RpcMethod.SEND_TRANSACTION, [tx_data])
          response = self.__post(self.__url, payload)
          if is_full:
              return response
          return response['result']
docs: This interface is used to send the transaction into the network.
          :param tx: Transaction object in ontology Python SDK.
          :param is_full:
          :return: a hexadecimal transaction hash value.