The ".nsp" file extension stands for "NCSoft Patch" or more commonly related to Switch game files, but in the context of homebrew and Switch game management tools, it refers to a file format used for Switch games and updates. These files are essentially containers for game or update data.
In other words, the strange pattern in the keyword is just an encoding quirk — the real file is probably named Thank-Goodness-You're-Here-Update-1.4.1.nsp . Thank-Goodness-You--39-re-Here--Update-1.4.1.nsp....