public virtual PartialViewResult List(Guid activityId)
        {
            var subscribs = _subscribeService.Get(activityId).ToList();

            var subscribersNames = subscribs.Count > 0
                ? _intranetMemberService.GetMany(subscribs.Select(s => s.UserId)).Select(u => u.DisplayedName)
                : Enumerable.Empty <string>();

            return(PartialView(ListViewPath, subscribersNames));
        }