{
  "manageEntity": {
    "action": "Create",
    "entityId": "1007714110",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1007714110,\"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": "0xf266fe11b4b16a8a86bbfae9ebd58fe8d459037206c3b0687be3183455c41e34",
    "signature": "0x92152162487730aaa60c5b1e974c3fc22b0bdeb4d2e1322a479b0d9dcfc1b5050dd63ccde8874a62e4102a94bc31cbe465955bdbe149b0ddb444d4bf8b1be9bb1c",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}