Plain text instead of JSON

Source/ProofOfConcept/Program.cs

@@ -1,3 +1,4 @@
+using System.Text;
 using System.Text.Json;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
@@ -403,13 +404,18 @@ app.MapGet("/Status", async ([FromServices] ILogger<Configurator> logger, [FromS
     HttpResponseMessage responseMessage = await client.GetAsync($"/api/1/vehicles/{vin}/fleet_telemetry_errors");
     string response = await responseMessage.Content.ReadAsStringAsync();
     logger.LogInformation("Telemetry errors: {response}", response);
+
+    StringBuilder sb = new StringBuilder();
+    sb.AppendLine("Fleet status:");
+    sb.AppendLine(statusResponseContent);
+    sb.AppendLine();
+    sb.AppendLine("Telemetry config:");
+    sb.AppendLine(rsp);
+    sb.AppendLine();
+    sb.AppendLine("Telemetry errors:");
+    sb.AppendLine(response);
     
-    return Results.Ok(JsonSerializer.Serialize(new
-    {
-        FleetStatus = statusResponseContent,
-        TelemetryConfig = rsp,
-        TelemetryErrors = response
-    }));
+    return Results.Ok(sb.ToString());
 });
 
 //Map static assets