docs: def make_call(self, fun, *args):
          """Makes a regular API call"""
  
          obj = {"fn": fun, "args": list(args)}
          obj = [self.proto.max_id, [[0, ["call", obj]], self.proto.send_count]]
          self.send_message(f"4{to_json(obj)}")
          self.proto.send_count += 1