code: def echo_json(cls, input_datas: JSONSerializable) -> JSONSerializable:
      return input_datas
  
file_path: BentoML/tests/e2e/bento_server_http/pickle_model.py
imports: from __future__ import annotations
  import time
  import typing
  from typing import TYPE_CHECKING
  import numpy
  import pandas
label_desc: Use image node_id 2 for calling the PickleModel obj's underlying member method code with example usage: obj.echo_json(cls, input_datas) and returns: input_datas