void UpdateRichPresence(ActivityHolder activityHolder)
        {
            ActivityHolder prev = activity;

            activity = activityHolder;

            if (!activity.Equals(prev) || !initialized)
            {
                Debug.Log("DiscordRichPresence: About to update presence");
                activityManager.UpdateActivity(activity.GetActivity(), (result) =>
                {
                    Debug.Log(string.Format("DiscordRichPresence: Result is ({0})", result));
                });
            }
        }