def serialize(self):
        """serialize."""

        arguments = []

        if isinstance(json.loads(self.data), dict):
            for k, v in json.loads(self.data).items():
                arguments.append({
                    'resultId': self.result_id,
                    'key': k,
                    'value': str(v) if v is not None else None,
                })

        return arguments
serialize.