code: def _object_is_json_serializable(obj):
      try:
          json.dumps(obj)
          return True
      except TypeError as e:
          return False
  
imports: from .card_modules import MetaflowCardComponent
  from .card_modules.basic import ErrorComponent, SectionComponent
  from .card_modules.components import UserComponent, create_component_id, StubComponent
  from .exception import ComponentOverwriteNotSupportedException
  from metaflow.metaflow_config import RUNTIME_CARD_RENDER_INTERVAL
  import uuid
  import json
  import platform
  from collections import OrderedDict
  import time
label_desc: Use image node_id 4 for calling a global function with example usage: _object_is_json_serializable(obj) and returns: True, False