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