{
  "manageEntity": {
    "action": "Update",
    "entityId": "1469601044",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Modern and Classic Metal Tracks\",\"is_private\":true,\"cover_art_cid\":\"01KQD2VB5C4B8ZBY8NV9PSJCF3\",\"release_date\":\"2026-04-29T16:52:03.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1777482163,\"track_id\":1422041329},{\"timestamp\":0,\"metadata_timestamp\":1777482560,\"track_id\":1726476209},{\"timestamp\":0,\"metadata_timestamp\":1777482590,\"track_id\":1190233729},{\"timestamp\":0,\"metadata_timestamp\":1777482608,\"track_id\":474813828}]}}",
    "nonce": "0x6d506279baaca5aaf1598a2c7d40b5f2f663b6f15ee9a393acf395bdb20f9b8c",
    "signature": "0x0c2ddf7fd24de02e82b59f5f546953549838562278d7fcbecd43d77b53761c0d660569649ed69d388312043ecbed89e1b9c3cfed77f1d8eaf90264b8c95b47cd1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}