You will need the prod.keys file extracted from your Switch to decrypt the NSP.
When searching for digital backups of Nintendo Switch games, verifying the specific file details is crucial to avoid malware or broken files. What is an NSP File?
If you are looking for specific information regarding this file or the game itself, here are the key details: Technical File Details Game ID (Title ID): 0100000000010000 File Size: The base digital version is approximately