code: def _load_from_hdx(self, object_type, id_field):
          # type: (str, str) -> bool
          
          success, result = self._read_from_hdx(object_type, id_field)
          if success:
              self.old_data = self.data
              self.data = result
              return True
          logger.debug(result)
          return False
docs: Helper method to load the HDX object given by identifier from HDX
  
          Args:
              object_type (str): Description of HDX object type (for messages)
              id_field (str): HDX object identifier
  
          Returns:
              bool: True if loaded, False if not