appConfig = {"hellosign_client_id":"c945ae7d8b20d9f5f215f180c6db22b8","sentry_dsn":"https://19b86173b30047ea849ea0121fd9f7d4@o1261876.ingest.sentry.io/6440103","sentry_environment":"production","sentry_release":"build1147","front_chat_id":"7f9006488ba33dcdaceeb768f62ad405","stripe_public_key":"pk_live_0CjVjWNiMRnum4zoWk4snAYT","ga_measurement_id":"G-2Y94BJ8SX4"};

<!-- Google tag (gtag.js) -->
if (appConfig.ga_measurement_id) {
  // <script async src="https://www.googletagmanager.com/gtag/js?id=G-XXXXXXXXXX"></script>
  let gtag_script = document.createElement("script");
  gtag_script.async = true;
  gtag_script.src = `https://www.googletagmanager.com/gtag/js?id=${appConfig.ga_measurement_id}`;
  document.head.appendChild(gtag_script);

  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', appConfig.ga_measurement_id);
}