{
  "manageEntity": {
    "action": "Create",
    "entityId": "1785889265",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1785889265,\"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": "0xa178900f105f29edf8b99ffe62d2733638a7ef14e4de940386b73a99669d5c6a",
    "signature": "0x66ce4d0b63087299b01b0370d401a3df5472efffa474eb2b5561a2e4bef4c34659f59c677f7c8579d32df85cb372146117d66804544c87575c7b08f0b83a4ace1c",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}