def METHOD_NAME(self, sid):
    sign, timestamp = self._sign_payload([sid])
    params = {
        "client_id": self.client_id,
        "sid": sid,
        "timestamp": timestamp,
        "sign": sign,
    }
    # For unregister error in SPARCSSSO
    try:
        return self._post_data(self.URLS["unregister"], params)["success"]
    except RuntimeError:
        return True