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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def verify(self, signature):
 """Verifies a signature :raises InvalidJWSSignature: if the verification fails. """

        try:
            payload = self._payload()
            sigin = b'.'.join([self.protected.encode('utf-8'), payload])
            self.engine.verify(self.key, sigin, signature)
        except Exception as e:  # pylint: disable=broad-except
            raise InvalidJWSSignature('Verification failed', repr(e))
        return True