public override async Task Run()
        {
            Console.Clear();
            string username, password = null;

            Console.WriteLine("Please enter username: "******"Please enter password (must be at least 1 character long): ");
            password = Console.ReadLine();
            Console.WriteLine("Logging in...");

            try
            {
                var response = await _usersClient.AuthenticateAsync(new AuthenticateUserCommand
                {
                    Username = username,
                    Password = password
                });

                Program.Login(username, response.AccessToken);
            }
            catch (Exception ex)
            {
                ShowError(ex);
            }
        }