{
  "manageEntity": {
    "action": "Create",
    "entityId": "505316799",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":505316799,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xc0355c0b5885acea27904d5d7293e439aaa883e8f5d72eb09e497290afc68174",
    "signature": "0xfe1c37ebbd2d94a5ce2270c6d33f4ada15eb2d2d47e1d03a9f36e24c7eef8ed0356d56fb0183611028c1720eebf42e13210712e8462c6d27f31924453cf026221b",
    "signer": "0xACaD6d6FaC9538774Dca4008652AD67B38a32B53",
    "userId": "248719791"
  }
}