diff --git a/samples/anomaly-detection/lib/payload/payload.go b/samples/anomaly-detection/lib/payload/payload.go
index eb55b3d..806ce39 100644
--- a/samples/anomaly-detection/lib/payload/payload.go
+++ b/samples/anomaly-detection/lib/payload/payload.go
@@ -12,14 +12,14 @@ type Payload[T any] struct {
 }
 
 type CommonPayload struct {
-	AssetID            string  `json:"asset_id"`
-	AssetName          string  `json:"asset_name"`
-	MaintainenceStatus string  `json:"maintainence_status"`
+	AssetID            string  `json:"assetId"`
+	AssetName          string  `json:"assetName"`
+	MaintainenceStatus string  `json:"maintainenceStatus"`
 	Name               string  `json:"name"`
 	SerialNumber       string  `json:"serialNumber"`
 	Site               string  `json:"site"`
-	SourceTimestamp    string  `json:"source_timestamp"`
-	OperatingTime      int     `json:"operating_time"`
+	SourceTimestamp    string  `json:"sourceTimestamp"`
+	OperatingTime      int     `json:"operatingTime"`
 	MachineStatus      int     `json:"machineStatus"`
 	Humidity           float64 `json:"humidity"`
 	Temperature        float64 `json:"temperature"`
diff --git a/samples/http-grpc-callout/manifest.yml b/samples/http-grpc-callout/manifest.yml
index aa52fa6..ad35371 100644
--- a/samples/http-grpc-callout/manifest.yml
+++ b/samples/http-grpc-callout/manifest.yml
@@ -20,14 +20,76 @@ data:
               {
                 "hello": "world"
               }
-          - path: /example
-            method: POST
+          - path: /ref_data
+            method: GET
             status: 200
             outputs: ["output1"]
             response: |
-              {
-                "hello": "world1"
-              }
+              [
+                {
+                  "asset_id": "Sea_O1",
+                  "serial_number": "SN001",
+                  "name": "Contoso",
+                  "site": "Seattle",
+                  "maintenance_status": "Done"
+                },
+                {
+                  "asset_id": "Red_O1",
+                  "serial_number": "SN002",
+                  "name": "Contoso",
+                  "site": "Redmond",
+                  "maintenance_status": "Upcoming"
+                },
+                {
+                  "asset_id": "Tac_O1",
+                  "serial_number": "SN003",
+                  "name": "Contoso",
+                  "site": "Tacoma",
+                  "maintenance_status": "Overdue"
+                },
+                {
+                  "asset_id": "Sea_S1",
+                  "serial_number": "SN004",
+                  "name": "Contoso",
+                  "site": "Seattle",
+                  "maintenance_status": "Done"
+                },
+                {
+                  "asset_id": "Red_S1",
+                  "serial_number": "SN005",
+                  "name": "Contoso",
+                  "site": "Redmond",
+                  "maintenance_status": "Done"
+                },
+                {
+                  "asset_id": "Sea_M1",
+                  "serial_number": "SN007",
+                  "name": "Contoso",
+                  "site": "Seattle",
+                  "maintenance_status": "Done"
+                },
+                {
+                  "asset_id": "Red_M1",
+                  "serial_number": "SN008",
+                  "name": "Contoso",
+                  "site": "Redmond",
+                  "maintenance_status": "Overdue"
+                },
+                {
+                  "asset_id": "Tac_M1",
+                  "serial_number": "SN009",
+                  "name": "Contoso",
+                  "site": "Tacoma",
+                  "maintenance_status": "Done"
+                },
+                {
+                  "asset_id": "Tac_S1",
+                  "serial_number": "SN010",
+                  "name": "Contoso",
+                  "site": "Tacoma",
+                  "maintenance_status": "Upcoming"
+                }
+              ]
           - path: /ts
             method: GET
             status: 200
@@ -36,28 +98,6 @@ data:
               {
                 "timestamp": "2023-11-16T8:18:10-08:00"
               }
-          - path: /anomaly
-            method: GET
-            status: 200
-            outputs: ["output1"]
-            response: |
-              {
-                "Payload": {
-                  "assetID": "Tac_S1",
-                  "asset_id": "Tac_S1",
-                  "asset_name": "Tacoma_Slicer_Tacoma_Slicer__asset_0",
-                  "humidity": 82.34915832237789,
-                  "machine_status": 1,
-                  "maintenanceStatus": "Upcoming",
-                  "name": "Contoso",
-                  "operating_time": 5999,
-                  "serialNumber": "SN010",
-                  "site": "Tacoma",
-                  "source_timestamp": "2023-11-02T20:27:09.143Z",
-                  "temperature": 93.56069711661576,
-                  "vibration": 50.98858025013501
-                }
-              }
       grpc:
         port: 3334
         outputs: ["output1"]