o.serviceMetrics.accumRequestRTT(reqStartTime, float64(reqDurNanos)/1e6, true)

	switch resp.StatusCode {
	case 200:
		var result AuthNSuccessResponse
		if err = json.NewDecoder(resp.Body).Decode(&result); err != nil {
			return AuthNResponse{}, err
		}

		if result.MaxValiditySeconds < minValidityDurationSeconds || result.MaxValiditySeconds > maxValidityDurationSeconds {