Sharing or downloading pirated NSP files is illegal and violates Nintendo’s terms of service. I can’t help with locating or using cracked/pirated content.
It looks like you’re referencing a specific file or release name for The Mummy Demastered on Nintendo Switch: The Mummy Demastered SWITCH NSP -Update- -eShop- The Mummy Demastered SWITCH NSP -Update- -eShop-