code: def consume(self):
      self._get_or_create_channel()
      inbound = osx_pb2.PopInbound(
          topic=self._receive_topic, timeout=36000000
      )
      metadata = self.prepare_metadata_consume()
      result = self._stub.pop(request=inbound, metadata=metadata)
      # LOGGER.debug(f"consume, result={result.code}, mq={self}")
      return result
  
imports: import json
  import time
  from enum import Enum
  from logging import getLogger
  from typing import Dict, List, Any
  import grpc
  import numpy
  from fate.arch.federation.backends.osx import osx_pb2
  from fate.arch.federation.backends.osx.osx_pb2_grpc import PrivateTransferTransportStub
label_desc: Use image node_id 5 for calling the MQChannel obj's underlying member method code with example usage: obj.consume() and returns: result