For a gamer, it represents a starting point. For an archivist, it is a precise coordinate in the vast library of Switch software. If you hold the file matching this subject, you are holding the digital ghost of Lost Epic as it existed on day one—flaws, frame-rate dips, and all.
Here is a complete, structured article based on the technical and contextual clues within that subject string. In the labyrinthine world of digital game files, file names are rarely random. They are a form of shorthand—a digital fingerprint containing metadata about the region, version, format, and origin of the data. The subject line NSP - LOST EPIC -010098F019A64000--v0--US--swit... is a perfect example of this hidden language. NSP - LOST EPIC -010098F019A64000--v0--US--swit...
Based on the subject line you provided:
NSP - LOST EPIC -010098F019A64000--v0--US--swit... For a gamer, it represents a starting point