private static void FakePrivateChatMessage(IChatController controller, string sender, string recipient, string message)
    {
        if (!UserProfileController.userProfilesCatalog.Get(recipient))
        {
            var model = new UserProfileModel()
            {
                userId = recipient,
                name   = recipient + "-name",
            };

            UserProfileController.i.AddUserProfileToCatalog(model);
        }

        if (!UserProfileController.userProfilesCatalog.Get(sender))
        {
            var model = new UserProfileModel()
            {
                userId = sender,
                name   = sender + "-name",
            };

            UserProfileController.i.AddUserProfileToCatalog(model);
        }

        var msg = new ChatMessage()
        {
            body        = message,
            sender      = sender,
            recipient   = recipient,
            messageType = ChatMessage.Type.PRIVATE,
            timestamp   = 1000
        };

        controller.AddMessageToChatWindow(JsonUtility.ToJson(msg));
    }