I'll search for "lego jurassic world switch mod" and similar terms. search results show some modding-related content, but nothing explicitly about "nspbase gamerar". The search for "nspbase" itself revealed that it might be a placeholder for a DLL file or a software component, not a modding site.
: The base digital footprint for LEGO Jurassic World on Nintendo Switch is roughly 4.8 GB . lego jurassic world nspbase gamerar
The safest way to enjoy the game portably is through official distributions. The game frequently goes on steep promotional sales on the Nintendo eShop. I'll search for "lego jurassic world switch mod"