{
  "manageEntity": {
    "action": "Create",
    "entityId": "328039162",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":328039162,\"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": "0x0f245c5057217930951289ca8f1ad0a846ce6d0ce1740da8c9adfa263eda212a",
    "signature": "0xd804ff060a963d703ab97aad598114f48f5fa5fc9abaf15e52998a817d9e7cc37b541b78dd7d18e5410975b44539b3db61b0989b0c11507061d85ccaf9f8b0ea1b",
    "signer": "0xDc3E8455192174BB859F815e8840855e17449589",
    "userId": "267643931"
  }
}