{
  "error": {
    "code": 401,
    "message": "Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.",
    "status": "UNAUTHENTICATED",
    "details": [
      {
        "@type": "type.googleapis.com/google.rpc.ErrorInfo",
        "reason": "ACCOUNT_STATE_INVALID",
        "domain": "googleapis.com",
        "metadata": {
          "method": "google.cloud.vision.v1.ImageAnnotator.BatchAnnotateImages",
          "email": "myphpnotes@testimagereader.iam.gserviceaccount.com",
          "service": "vision.googleapis.com"
        }
      }
    ]
  }
}