Hi,
Insert this code in your Footer Code Injection.
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.0/jquery.min.js"></script>
<script>
$(document).ready(function() {
$('#block-yui_3_17_2_1_1599412523559_8193 .image-card-wrapper .image-button-wrapper .image-button-inner').html('<a href="" data-leadbox-popup="2M4HPLXiWwLAuThfhXRuWm" data-leadbox-domain="brandistanley636.lpages.co">Click here to subscribe</a>');
});
</script>
Please use the like button if it helps you!
Best,
Leopold