{
  "manageEntity": {
    "action": "Create",
    "entityId": "601632787",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":601632787,\"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": "0xb852d8ac00e97481df084ea7728303ae764efa85ec00a10cd02b4013d1c5cd4d",
    "signature": "0xab68065c7c2e52a4fd45975f16a62deb9760906f3b038f87163015a4467b18b050c028cfe9c96c466a94e8729a33d1639c0c6e694712883af52779b9b8f4ee9a1c",
    "signer": "0xA2C5765D73a504450F9283E359aaaeF0f97fd62F",
    "userId": "151873647"
  }
}