{
  "manageEntity": {
    "action": "Create",
    "entityId": "322740473",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":322740473,\"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": "0x3dcf581f56f0583e2caa901c42c694b9e33a3d17ef139c388d186146bd463a38",
    "signature": "0x40320081af6362188e5974836d4f2672532bc2caed69c000bfc028f489e27e8341dde6848d83a4475549540be261a846647e5fdeddbc224de5671dcd287b513c1b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}