<script>
    var GTMCode = 'GTM-XXXX';  // Replace 'GTM-XXXX' with your actual GTM code
    var GTMLoaded = false; // Flag to check if GTM is loaded or not

    function loadGTM() {
      if(!GTMLoaded) { // Load GTM only if not loaded yet
        GTMLoaded = true; // Update the flag to indicate GTM has loaded
        (function(w,d,s,l,i){
          w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});
          var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';
          j.async=true;j.src='<https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f)>;
        })(window,document,'script','dataLayer',GTMCode);
      }
    }

    $(window).one('scroll touchstart mousemove', loadGTM);
  </script>