{
  "manageEntity": {
    "action": "Create",
    "entityId": "37780519",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":37780519,\"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": "0x6d17d6379147d1f0bb5203306d4f77b99160a3a95aa1a66807b84efc5999ed79",
    "signature": "0x46fae3b75936a17aedf9ec86c650a65fdbe584729df3ef5ac5a6ca32f0a44f51285a0e1564c5b5240048e03712a9cce280718e017785da415825ceb4b7be70481c",
    "signer": "0x174ed4cD14f73d37586b23CeC545C5Bf3855751b",
    "userId": "831500755"
  }
}