{
  "manageEntity": {
    "action": "Update",
    "entityId": "1449615738",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"RAMON\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsed7krds7tydmaiuwtjthd7hvmuymoreej7vliivytbpa5tkcf2u3y\",\"release_date\":\"2026-08-21T23:02:46.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1787359376,\"track_id\":980274411},{\"timestamp\":0,\"metadata_timestamp\":1787359660,\"track_id\":1056512235},{\"timestamp\":0,\"metadata_timestamp\":1787359665,\"track_id\":1358926647},{\"timestamp\":0,\"metadata_timestamp\":1787359669,\"track_id\":133197220}]}}",
    "nonce": "0x1eaf1d51e3d04042914ad921c4219dcade89f4946a39da70674cf3f5d9ff85df",
    "signature": "0x188e7e56d033b1da07254a432d6803988525c673b77ef032a73e475bd495f1171332127a1a58cc200dd038d4f2ba207bbf07e365ba4b16a5fdb24ff6556dacba1b",
    "signer": "0xE837e052F61622F70fAE29E877A7adAA6b3039c8",
    "userId": "550557206"
  }
}