Entity dimensions in RealityKit

I’m loading a USDZ model using Entity.loadAsync(contentsOf:)

I’d like to get the dimensions of the model and I find that visualBounds(relativeTo: nil).extents returns dimensions larger than the actual dimensions while I see the correct dimensions when viewing the USDZ in Blender or when instantiating it as a MDLAsset(url:). What is the method to get the actual dimensions from an Entity? Thanks

Thanks