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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_merkle_proof(self, tx_hash: str, is_full: bool = False) -> dict: """ This interface is used to get the corresponding merkle proof based on the specified hexadecimal hash value. :param tx_hash: an hexadecimal transaction hash value. :param is_full: :return: the merkle proof in dictionary form. """

        payload = self.generate_json_rpc_payload(RpcMethod.GET_MERKLE_PROOF, [tx_hash, 1])
        response = self.__post(self.__url, payload)
        if is_full:
            return response
        return response['result']