{
  "manageEntity": {
    "action": "Create",
    "entityId": "1462008790",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1462008790,\"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": "0x8d48c1295f2ed4ec05cb1e8a46d09809295187a9dbba875ff8a02238c3a25615",
    "signature": "0x383e6a06090bf9021aece1d55075f35b6009dfbc8a5cdf4dc81507592e98e64a36fe9e8c1f99fc33b1b90fc674c451ef2afbbd372313810d1dbd19fc13f5fb161c",
    "signer": "0x3e72856C91ee94396ef3C36440B67b648b82bC86",
    "userId": "108788500"
  }
}