code: def _create_json(self):
          
          data_json = {
              "rclass": "virtual",
              "key": self.name,
              "description": self.description,
              "packageType": self.packageType,
              "repositories": self._repositories,
              "notes": self.notes,
          }
  
          return data_json
docs: JSON Documentation: https://www.jfrog.com/confluence/display/RTF/Repository+Configuration+JSON