static ObservableHandler()
        {
            var o = new GameObject("_ObservableHandler");

            DontDestroyOnLoad(o);
            Instance = o.AddComponent <ObservableHandler>();
        }
 static ObservableHandler()
 {
     var o = new GameObject("_ObservableHandler");
     DontDestroyOnLoad(o);
     Instance = o.AddComponent<ObservableHandler>();
 }