=== Check for service principal ===
{"error":{"code":"InvalidAuthenticationToken","message":"Signature is invalid.","innerError":{"date":"2026-01-05T20:24:58","request-id":"aac8e4ce-87ad-4f99-84e3-988a1d9c07ec","client-request-id":"aac8e4ce-87ad-4f99-84e3-988a1d9c07ec"}}}