docs: def content_list(self, key, model):
          """Returns the list of content IDs for a given model.
  
          This method maps to
          https://github.com/exosite/docs/tree/master/provision#get---list-content-ids
  
          Args:
              key: The CIK or Token for the device
              model:
          """
          path = PROVISION_MANAGE_CONTENT + model + '/'
          return self._request(path, key, '', 'GET', self._manage_by_cik)