public ActionResult GetImageUrl(int imageId)
 {
     var mediaClient = new MediaClient(apiConfig.GetString("ImxApiMediaUrl"), apiConfig.GetString("oAuthConsumerKey"), apiConfig.GetString("oAuthConsumerSecret"), 1);
     var url = mediaClient.GetUrl(imageId, "IMAGES");
     return Json(url, JsonRequestBehavior.AllowGet);
 }