code: async def _load_node(self, node_id):
          
          get_node_information = GetNodeInformation(pyvlx=self.pyvlx, node_id=node_id)
          await get_node_information.do_api_call()
          if not get_node_information.success:
              raise PyVLXException("Unable to retrieve node information")
          notification_frame = get_node_information.notification_frame
          node = convert_frame_to_node(self.pyvlx, notification_frame)
          if node is not None:
              self.add(node)
docs: Load single node via API.