public async Task ExecuteSaveProfileCommand()
        {
            if (IsBusy)
            {
                return;
            }

            LoadingMessage = "Saving Profile...";

            using (BusyContext()) {
                using (App.Logger.TrackTimeContext("SaveProfile")) {
                    try {
                        if (string.IsNullOrWhiteSpace(nickName))
                        {
                            RaiseNotification("Please fill in your nick name.");
                            return;
                        }

                        if (!await RefreshToken())
                        {
                            return;
                        }

                        var userManager = new UserManager(Settings.AccessToken);

                        if (Settings.NickName != nickName)
                        {
                            var success = await userManager.ChangeNickname(nickName);

                            if (!success)
                            {
                                RaiseNotification("Unable to save profile, please try again.");
                                return;
                            }
                        }

                        Settings.NickName = nickName;

                        await AvatarsSemaphore.WaitAsync();

                        var selectedAvatar = Avatars.FirstOrDefault(a => a.Location == avatar);
                        AvatarsSemaphore.Release();

                        if (selectedAvatar != null && Settings.Avatar != avatar)
                        {
                            var ava = await userManager.SetAvatarFromList(selectedAvatar.AvatarId);

                            if (ava == null)
                            {
                                RaiseNotification("Unable to save profile, please try again.");
                                return;
                            }
                        }

                        Settings.Avatar = avatar;
                        RaiseNotification("Profile Saved!");
                        App.Logger.Track("SaveProfile", new Dictionary <string, string> {
                            { "nickname", Settings.NickName },
                            { "avatar", Settings.Avatar }
                        });
                    } catch (Exception ex) {
                        App.Logger.Report(ex);
                        RaiseError("Avatar upload failed. Please try again.");
                    }
                }
            }
        }