public HttpResponseMessage GetGroup([FromBody]IdentityModel model)
 {
     return SafeAction(() =>
     {
         IDelightServices service = new DelightServices();
         var userGroup = service.GetUserGroup(model.Id);
         if (userGroup == null)
         {
             return Request.CreateResponse(HttpStatusCode.NoContent);
         }
         var response = Request.CreateResponse<UserGroupDTO>(HttpStatusCode.OK, userGroup);
         return response;
     }, model);
 }