diff --git a/laborious/activities/mlflow.py b/laborious/activities/mlflow.py
index 0f89939..d3e918d 100644
--- a/laborious/activities/mlflow.py
+++ b/laborious/activities/mlflow.py
@@ -1,3 +1,4 @@
+import json
 from temporalio import activity, workflow
 
 
@@ -66,8 +67,8 @@ class MLFlow(BaseActivity):
         response_data = self.model_monitoring_repository.transform(
             model_name, data, model_retention)
 
-        self.debug("Response data:", metadata)
-        self.debug(response_data, metadata)
+        self.debug("Transform response data:", metadata)
+        self.debug(json.dumps(response_data, indent=4), metadata)
 
         return response_data
 
@@ -97,7 +98,7 @@ class MLFlow(BaseActivity):
             model_name, data, model_retention)
 
         self.debug("Prediction response data:", metadata)
-        self.debug(response_data, metadata)
+        self.debug(json.dumps(response_data, indent=4), metadata)
 
         return response_data