/**
  * fetch all subscriptions with import_id
  * @param integer $importId
  * @param integer $limit
  * @param integer $offset
  * @param boolean $asObject
  * @return array
  */
 static function fetchImportSubscriptionList($importId, $limit, $offset, $asObject)
 {
     $objectList = CjwNewsletterSubscription::fetchSubscriptionListByImportId($importId, $limit, $offset, $asObject);
     return array('result' => $objectList);
 }