{
  "manageEntity": {
    "action": "Create",
    "entityId": "1234281498",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1234281498,\"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": "0x2134dc240c377e5870c668d7a169069b9e35cfb7cae22baab3386b72b8f26ffd",
    "signature": "0x443562760a83cdce83b0015bcd42b61758f4971180b673e47c98a2dc4d40f869179b60152b27a98f7c2a7291764dc540b0b4f5b9816f57babc89e892ea1ef7571c",
    "signer": "0xFA2BcB8D14637859aa98a87cbe91187525bbB963",
    "userId": "965833467"
  }
}