estimator log fix

usps_api_bridge.php

@@ -199,7 +199,10 @@ class Usps_Api_Bridge extends Module
         $isEstimator = (Tools::getValue('module') === 'zh_uspslabels' && Tools::getValue('controller') === 'carrier');
         if ($isEstimator) {
             // Prioritize POST data from the widget
-            $this->externalLog(['Estimator' => ['response' => $response]]);
+            $this->externalLog(['Estimator' => [
+                'postcode' => Tools::getValue('postcode'),
+                'id_country' => Tools::getValue('id_country'),
+            ]]);
 
             if (Tools::getIsset('postcode')) {
                 $destZip = Tools::getValue('postcode');