public IActionResult GetFollowedQuestions()
 {
     try
     {
         int userId = int.Parse(User.FindFirst(ClaimTypes.Sid).Value);
         var list   = _userManagerService.GetFollowedQuestions(userId);
         return(Ok(list));
     }
     catch (Exception e)
     {
         return(StatusCode(500, new { Message = "Server ERROR occured." }));
     }
 }