{
  "manageEntity": {
    "action": "Create",
    "entityId": "82429193",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":82429193,\"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": "0xedcb67b3383d20f9e88952c004df21a02577a421be7436182beece19c2c8f016",
    "signature": "0x59a839793102060042e995cba832cf23b70f34a4ececece1ac2045ffd2dffd7f66a3bb29936ac331471e7240cc89aa5924a12cfa90ea6a95d872f1cb4bb720fb1b",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}