{
  "manageEntity": {
    "action": "Create",
    "entityId": "868900711",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":868900711,\"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": "0x3796d2becf4e57a71290b81747c4c411f1b5322385c160da9f007ba4fd42a023",
    "signature": "0x853e73494dafc7211a8c20788930c93d38e304c0628c1042e1f892229712bab314aa4c665da7754789f2f117f1fa09aa8f24872cdaf5b4983caf9b0a1f4660441b",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}