It just creates a custom.json with the song/vide info when you've listened/watched it.

This account stores "new songs" that haven't been scrobbled before. For repeats, they are stored on the users account.
https://hivehub.dev/tx/4f4785299352a52da35695118643b5c914955b03

json: {
  "app": "zingit/1.0",
  "kind": "song",
  "isrc": "GBAHS2300511",
  "spotify_id": "63kLorCFyk4ZHMHPhcWOtO",
  "youtube_id": "wLvIBvKNaig",
  "title": "Life Goes On (feat. Luke Combs)",
  "artist": "Ed Sheeran",
  "raw_artist": "Ed Sheeran, Luke Combs",
  "raw_title": "Life Goes On (feat. Luke Combs)",
  "artists": [
    "Ed Sheeran",
    "Luke Combs"
  ],
  "album": "Life Goes On (feat. Luke Combs)",
  "genres": [],
  "duration_ms": 210208,
  "source_duration_ms": 210000,
  "art_url": "https://i.scdn.co/image/ab67616d0000b27381c0cd3d1214ad331e6e63da",
  "release_date": "2023-05-03",
  "explicit": false,
  "lrclib_id": 3016465,
  "first_scrobbled_by": "forkyishere",
  "source_url": "https://open.spotify.com/track/63kLorCFyk4ZHMHPhcWOtO",
  "fetched_at": "2026-05-16T20:00:39.955Z",
  "lyric_author": "hscr-isrc",
  "lyric_permlink": "lyric-6cd4ccb19133297b450d602bf4131c03c89a40c5",
  "lyric_kind": "synced"
}```