=== Check for service principal (consent granted) ===
{"error":{"code":"Request_BadRequest","message":"Unrecognized query argument specified: '\\'.","innerError":{"date":"2026-01-05T20:22:48","request-id":"46660a7c-6758-489e-b286-aea25ddb5779","client-request-id":"46660a7c-6758-489e-b286-aea25ddb5779"}}}