{
  "manageEntity": {
    "action": "Update",
    "entityId": "1210419250",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecbyvms4rsqxoqtgqloe4qtgbl7j7tmmxqkswns5wrzom4lsrr5yu\",\"release_date\":\"2026-08-23T09:54:59.000Z\",\"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\":1787479019,\"track_id\":1084646},{\"timestamp\":0,\"metadata_timestamp\":1787479028,\"track_id\":1084647},{\"timestamp\":0,\"metadata_timestamp\":1787479035,\"track_id\":1084645},{\"timestamp\":0,\"metadata_timestamp\":1787479044,\"track_id\":1088722},{\"timestamp\":0,\"metadata_timestamp\":1787479054,\"track_id\":1088717},{\"timestamp\":0,\"metadata_timestamp\":1787479150,\"track_id\":697917}]}}",
    "nonce": "0xc72b39147b48ddd313c2fcdc30b9aff490f51e4e511db79a738caf7f5f89968d",
    "signature": "0xdb7a649560f8d0cab475dc2eee112ec744d84467de335e81ae8c55922a4e58175b34b2737b50dc188ccf2c0b612b0880c703bd9bb233d31b0e9cc0f8d94b27e51c",
    "signer": "0xEFec33FF65644dee8EaE96E99C93429330B67c16",
    "userId": "513100334"
  }
}