public class SomeInstaller : MonoInstaller
    {
        public override void InstallBindings()
        {
            Container.BindFactory<string, ILayer, LayerBase.Factory>().FromFactory<LayerFactory>();
        }
    }

    public class StartLayer : LayerBase
    {
        private void Start()
        {
            _manager.Push<LoadingLayer>();

            _manager.FadeIn(0.3f, () =>
                _manager.Wait(0.6f, () =>
                    _manager.FadeOut(0.3f, () =>
                    {
                        _manager.Push<GameScreenLayer>();
                        _manager.FadeIn(0.3f);
                    })));
        }
    }