{
  "manageEntity": {
    "action": "Create",
    "entityId": "1132047708",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1132047708,\"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": "0x1a68d1b1ab9688d851b29a96be6e0581e3bcb96abc48145ed3d456121752ffc5",
    "signature": "0x22b4a9780007349fdadbc33d09b6f0af5f568e09d705e601b6f83eeb7c18f623306969c74c6ef9b83d5c1575f3bf5ac993393dff9ff274fac37765c5beca7c981c",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}