{
  "manageEntity": {
    "action": "Update",
    "entityId": "1031759705",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseb4hpldhpvc35mjhtqnrnetyb52chel5jl5zwajntmn5674bmlbxi\",\"release_date\":\"2025-08-21T02:33:34.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1786032342,\"track_id\":704918922}]}}",
    "nonce": "0xc853ea97cafa57e53c10938bdd71fc4ce7bdf8ec31e2542865fba88597401e6c",
    "signature": "0xa50c9fbaed77415cdbd695afc75573319d93182b8031f148ead85c9f6f368fff2ad1e5192ddc64965f107c8a6e0237465853a24af419a595c004064a7968e4fd1b",
    "signer": "0x3E54F0FC215b6D2d2f9B7cF274525405585358ca",
    "userId": "75985245"
  }
}