diff --git a/Program.cs b/Program.cs
index fcf734f..6a1cb6b 100644
--- a/Program.cs
+++ b/Program.cs
@@ -7,10 +7,19 @@
 
 // Can be consumed by ManagedIdentityCredential by specifying IDENTITY_ENDPOINT and IMDS_ENDPOINT environment variables to this action URL
 // See https://github.com/Azure/azure-sdk-for-net/blob/Azure.Identity_1.8.0/sdk/identity/Azure.Identity/src/AzureArcManagedIdentitySource.cs
-app.MapGet("/token", async (string resource) =>
+
+app.MapGet("/token", async (HttpContext context, string resource) =>
 {
     var token = await tokenCredential.GetTokenAsync(new TokenRequestContext(new[] { resource }));
-    return new Dictionary<string, string> { ["access_token"] = token.Token, ["expires_on"] = token.ExpiresOn.ToString("O", CultureInfo.InvariantCulture) };
+    context.Response.Headers.Add("Content-Type", "application/json"); // Set the Content-Type header to JSON
+    return new Dictionary<string, string>
+    {
+        ["access_token"] = token.Token,
+        ["expiresOn"] = token.ExpiresOn.ToString("O", CultureInfo.InvariantCulture),
+        ["expires_on"] = token.ExpiresOn.ToUnixTimeSeconds().ToString(),
+        ["tokenType"] = "Bearer",
+        ["resource"] = resource
+    };
 });
 
 app.Run();
\ No newline at end of file