public void AddUser(AddUserRequest request)
        {
            try
            {
                _loginQuery.IsAuthenticated(request.Ticket);
                _sessionGenerator.ProlongSession(request.Ticket);

                _commands.AddUser(request);
            }
            catch (SecurityException e)
            {
                throw new FaultException <SecurityException>(e);
            }
            catch (Exception e)
            {
                throw new FaultException(e.Message);
            }
        }