langchain/chains/api/openapi/chain.py/OpenAPIEndpointChain/deserialize_json_input
class OpenAPIEndpointChain:    def deserialize_json_input(self, serialized_args: str) -> dict:
        """Use the serialized typescript dictionary.

        Resolve the path, query params dict, and optional requestBody dict.
        """
        args: dict = json.loads(serialized_args)
        path = self._construct_path(args)
        body_params = self._extract_body_params(args)
        query_params = self._extract_query_params(args)
        return {
            "url": path,
            "data": body_params,
            "params": query_params,
        }