Qt3D Mesh loading status

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Hello,

I am trying to figure out if there is a way to determine when a Mesh instance within a Qt3D Entity has finished loading.
Say I have a code snippet like this

    Entity {
        id: ent

        components: [tf, mesh, mtl]
        Transform {
            id: tf

            property real yAxisRotation: 0.0
            property real modelScale: 4.0

            matrix: {
                var m = Qt.matrix4x4();
                m.rotate(yAxisRotation, Qt.vector3d(0, 1, 0))
                m.translate(Qt.vector3d(0, 0, 0));
                m.scale(modelScale);
                return m;
            }
        }

        PhongMaterial{
            id: mtl
            shininess: 0.1
        }

        Mesh {
            id: mesh
            source: meshFile
        }
    }

If I would like to play an animation, or do any post processing operation after the mesh has finished loading, how can I go about determining the loading state of the mesh?

Thank you in advance to anyone who can clue in.