code: def recvjson(sock):
      """receive python value from remote via json
  
      Parameters
      ----------
      sock : Socket
          The socket
  
      Returns
      -------
      value : object
          The value received.
      """
      size = struct.unpack("<i", recvall(sock, 4))[0]
      data = json.loads(py_str(recvall(sock, size)))
      return data
  
file_path: tvm/python/tvm/rpc/base.py
imports: import socket
  import time
  import json
  import errno
  import struct
  import random
  import logging
  from .._ffi.base import py_str
label_desc: Use image node_id 4 for calling a global function with example usage: recvjson(sock) and returns: data