Play Services Plugin Google ID doesn't update

Hello,

i'm currently facing a problem with the Google Play Services plugin for Unity. It's about getting the Google ID of the logged in player. When I start the game and log in with a Google account I'm getting the right Google ID. But when change the account (in game), the Google ID doesn't update.

To sign out i use this method:

 PlayGamesPlatform.Instance.SignOut();

And then i login with the Authenticate method again.

That's how i try to get the current Google ID:

 PlayGamesPlatform.Instance.GetUserId();

I'm really stuck with this problem. If someone could help me, that would be really nice.

Best regards Dennis