diff --git a/metrics/testnet-monitor.json b/metrics/testnet-monitor.json
index 90e1284d4e..94af95be39 100644
--- a/metrics/testnet-monitor.json
+++ b/metrics/testnet-monitor.json
@@ -2154,6 +2154,44 @@
             ]
           ],
           "tags": []
+        },
+        {
+          "groupBy": [
+            {
+              "params": [
+                "$__interval"
+              ],
+              "type": "time"
+            },
+            {
+              "params": [
+                "null"
+              ],
+              "type": "fill"
+            }
+          ],
+          "hide": false,
+          "orderByTime": "ASC",
+          "policy": "default",
+          "query": "SELECT sum(*) FROM \"$testnet\".\"autogen\".\"testnet-manager\" WHERE $timeFilter GROUP BY time($__interval) FILL(0)",
+          "rawQuery": true,
+          "refId": "B",
+          "resultFormat": "time_series",
+          "select": [
+            [
+              {
+                "params": [
+                  "value"
+                ],
+                "type": "field"
+              },
+              {
+                "params": [],
+                "type": "mean"
+              }
+            ]
+          ],
+          "tags": []
         }
       ],
       "thresholds": [],
@@ -5786,4 +5824,4 @@
   "title": "Testnet Monitor (edge)",
   "uid": "testnet-edge",
   "version": 113
-}
\ No newline at end of file
+}