code: def _get_provisioning_state(self, response):
          
          if self._is_empty(response):
              return None
          body = self._as_json(response)
          return body.get("properties", {}).get("provisioningState")
docs: Attempt to get provisioning state from resource.
          :param requests.Response response: latest REST call response.
          :returns: Status if found, else 'None'.