`2019-05-13T13:29:13.953978+00:00 heroku[router]: at=info method=POST path="/heroku-log-drain-staging" host=heroku-log-drain-xxxxx.herokuapp.com request_id=xxxxx fwd="5xx.xx.xx.xx1" dyno=web.1 connect=0ms service=1ms status=403 bytes=142 protocol=https`