Most of my examples of that size are AAA game source that I can't share however, I think this is a project using similar files that is based on unreal. It should show if there is any benefit: https://github.com/CesiumGS/cesium-unreal-samples & where the .umap binaries have been updated and in this example where the .uasset blueprints have been updated https://github.com/renhaiyizhigou/Unreal-Blueprint-Project