{
  "manageEntity": {
    "action": "Update",
    "entityId": "504519602",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseatoi7pdij7tfnjbrg5ylrlbp6rz57inbyr62vyrp6fcz6lmrs2ki\",\"release_date\":\"2026-06-16T17:18:51.000Z\",\"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\":1781630441,\"track_id\":203754864}]}}",
    "nonce": "0x2b6f3c9971ab250ec0c3f5f986919b563ada1b9cac5a1ab7f67f574665d9483d",
    "signature": "0x6638ca56a166d95cada40e998faffa2ea1d1c82f1a85647d8df1dfe214ae8ea560cdcb2d5cc9185bbc676719a8e5ed6916dee1ca2c97b57ae15191edb00553b51c",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}