The 0100b1a00d8ce000 ID seems to be a title ID for "Doom Eternal" on the Nintendo Switch. This ID can be used in conjunction with NSP files to ensure you're downloading the correct version of the game.
Modders, archivists, and system builders use these IDs to ensure they are applying modifications or cheats to the exact regional version of a game. 2. The NSP File Format The term stands for Nintendo Submission Package. doom eternal nsp 1fichier id 0100b1a00d8ce000 free