code: def global_meta_data(self):
          
          with switch_db(MetaDataModel, 'hyperstream'):
              return sorted(map(lambda x: x.to_dict(), MetaDataModel.objects),
                            key=lambda x: len(x['identifier'].split('.')),
                            reverse=True)
docs: Get the global meta data, which will be stored in a tree structure
  
          :return: The global meta data