GoogleSignatureVerifier signature not valid message (google play services 9.0.0)

Sorry, thats a bug! It’s just spurious logging though: Google Play services does some checking to see whether you are a Google app or a regular third party one.

As part of that, it calls the signature verifier and the logging ended up more verbose than intended – it will be fixed in a future version.This shouldn’t affect the behavior of your app at all.

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