private System.Numerics.Matrix4x4? GetSceneToUnityTransformAsMatrix4x4(SceneUnderstanding.Scene scene)
    {

        System.Numerics.Matrix4x4? sceneToUnityTransform = System.Numerics.Matrix4x4.Identity;

        Windows.Perception.Spatial.SpatialCoordinateSystem sceneCoordinateSystem = Microsoft.Windows.Perception.Spatial.Preview.SpatialGraphInteropPreview.CreateCoordinateSystemForNode(scene.OriginSpatialGraphNodeId);
        HolograhicFrameData holoFrameData = Marshal.PtrToStructure<HolograhicFrameData>(UnityEngine.XR.XRDevice.GetNativePtr());
        Windows.Perception.Spatial.SpatialCoordinateSystem unityCoordinateSystem = Microsoft.Windows.Perception.Spatial.SpatialCoordinateSystem.FromNativePtr(holoFrameData.ISpatialCoordinateSystemPtr);

        sceneToUnityTransform = sceneCoordinateSystem.TryGetTransformTo(unityCoordinateSystem);

        if (sceneToUnityTransform != null)
        {
            sceneToUnityTransform = ConvertRightHandedMatrix4x4ToLeftHanded(sceneToUnityTransform.Value);
        }
        else
        {
            return null;
        }

        return sceneToUnityTransform;
    }