{
  "manageEntity": {
    "action": "Create",
    "entityId": "1177113802",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1177113802,\"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": "0xb50769fa41c6e8153246f2aacd755b89cbddeda210c6c84e4ad807814346417d",
    "signature": "0xf3ff20bbff75f725e1e935d0917ac95a4edc708082558187c5c262ec96adfc3009782d4f01056fe5c500d2572a5a721f7b2dbc5475682adb747f95ae9a1916341c",
    "signer": "0xd9Fa1ac44597D750006BCEd68B36a63Afa62AEfC",
    "userId": "221168944"
  }
}