public async Task <IActionResult> SetUpFollower(int userId, int id)
        {
            if (!AuthorizeUser(userId))
            {
                return(Unauthorized());
            }

            try
            {
                await Task.Run(() => _followerService.SetUpFollower(userId, id));

                return(Ok());
            }
            catch (EntityNotFoundException)
            {
                return(BadRequest("Can't set up follower"));
            }
        }