A little bit extra visual tweaking.

Shared (Extension)/Resources/event_log.html

@@ -110,7 +110,7 @@
     <div class="mt-3 border-solid border border-fuchsia-700 rounded-lg">
       <div class="select-none flex cursor-pointer text-xl" @click="selected = selected === index ? null : index">
         <div class="flex-none w-14 p-4 font-extrabold" x-text="selected === index ? '-' : '+'"></div>
-        <div class="flex-initial w-64 p-4" x-text="event.metadata.signed_at"></div>
+        <div class="flex-1 w-64 p-4 text-base" x-text="formatDate(event.metadata.signed_at)"></div>
         <div class="flex-initial w-64 p-4" x-text="event.metadata.host"></div>
       </div>
 

Shared (Extension)/Resources/event_log.js

@@ -66,6 +66,10 @@ Alpine.data('eventLog', () => ({
         return jsonFormatHighlight(event);
     },
 
+    formatDate(epochSeconds) {
+        return new Date(epochSeconds * 1000).toUTCString();
+    },
+
     // Properties
 
     get fromTime() {