code: def _parse_output(content: "service_pb2.Content"):
      field_name = content.WhichOneof("content")
      if field_name == "content_bytes":
          return BYTES().from_proto(content)
      elif field_name == "text":
          return TEXT().from_proto(content)
      elif field_name == "tensor":
          return NDARRAY().from_proto(content)
      else:
          return JSON().from_proto(content)
  
file_path: towhee/towhee/serve/grpc/client.py
imports: import typing
  from pydantic import BaseModel
  import numpy
  from towhee.utils.thirdparty.grpc_utils import grpc
  from .None import service_pb2
  from .None import service_pb2_grpc
  from towhee.serve.io import JSON, TEXT, NDARRAY, BYTES
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_output(content) and returns: BYTES, TEXT, NDARRAY, JSON