{
  "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},{\"timestamp\":0,\"metadata_timestamp\":1781630447,\"track_id\":574262830},{\"timestamp\":0,\"metadata_timestamp\":1781630461,\"track_id\":1230917099}]}}",
    "nonce": "0x1694ea2fce2fe0b70329bf65dd3e6442f7097c2a110753b4e1eff3d3af510b73",
    "signature": "0xf963a2c5e7349449cee41bff23e729d549a129cf0d8c520f44b035cc0baf797068d07133c665537c89bee285800f4bd9f28ea938b8d90d592e92a2a8b30875561c",
    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}