Updated dataset with new user actions

dataset.json

@@ -12,12 +12,12 @@
             }
         ]
     },
-    "user254": {
+    "user77": {
         "user_id": "2",
         "actions": [
             {
-                "action": "action_254",
-                "timestamp": "September 28, 2024 at 254:30:00 PM UTC+5:30"
+                "action": "action_77",
+                "timestamp": "September 28, 2024 at 77:30:00 PM UTC+5:30"
             }
         ]
     }