POST to trigger, then poll GET /{id} until output is ready.
/execution/sdu-check-content-executions
Trigger content check. Response: { id }
{
"checker_config_id": "{checker_config_id}",
"order_id": [
"{order_id}"
],
"doc_types_to_check": [
"{doc_type}"
]
}/execution/sdu-check-content-executions/{id}
Poll until output is ready. Use id from step 1 response.