{
  "manageEntity": {
    "action": "Create",
    "entityId": "586464033",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":586464033,\"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": "0x29ccd31dd94ebb129b479783895ce280e3cc0dda4d6e040a7b1ec0adf29be4f0",
    "signature": "0x4a85b878328e45abcdd06cc4a7ed86c97e5eeda60db4b7d3469160d7403941fa364eae4d47a667a5c0fba590e3755caddcd88611880e24cdf93e22eca051b6f31c",
    "signer": "0x4E802f7193313C8D55a39077f1DD13479712F61b",
    "userId": "227068227"
  }
}