diff --git a/auth.py b/auth.py
index 4f96cfd..c088db0 100755
--- a/auth.py
+++ b/auth.py
@@ -19,9 +19,10 @@ def decodeToken(token):
         logger.error("{}".format(e))
         raise werkzeug.exceptions.Unauthorized()
 
-def testToken(user, token_info):
-    return '''
-    You are user_id {user} and the provided token has been signed by this issuers. Fine.'.
-    Decoded token claims: {token_info}.
-    '''.format(user=user, token_info=token_info)
+
+def testToken(user, token_info):
+    return {
+        "message": f"You are user_id {user} and the provided token has been signed by this issuers. Fine.",
+        "details": token_info
+    }
 
diff --git a/openapi.yaml b/openapi.yaml
index 388fb6c..3e7ecc5 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -21,9 +21,9 @@ paths:
         '200':
           description: secret response
           content:
-            'text/plain':
+            'application/json':
               schema:
-                type: string
+                $ref: '#/components/schemas/TestOutput'
       security:
       - jwt: ['secret']
 
@@ -35,3 +35,12 @@ components:
       scheme: bearer
       bearerFormat: JWT
       x-bearerInfoFunc: auth.decodeToken
+  schemas:
+    TestOutput:
+      description: Test Output
+      type: object
+      properties:
+        message:
+          type: string
+        details:
+          type: object