[login] ok
[background_render] status=200 elapsed=0s
{"ok": true, "status": "started", "job_key": "step:b0ad5c18-5140-4022-a2b0-805de0e5a385:0d30302a-51c8-4ac9-98e2-6cd9180512bf:background_render", "step_id": "background_render"}