GenerateQueuedResponse

{
    "status": "queued",
    "invoice_id": "6c590ad5-e8c8-4f43-9c58-62fbbe993c15",
    "invoice_number": "RE-2026-001",
    "processing_mode": "async",
    "validation": null,
    "xml": null,
    "poll_url": "https://api.xinvoice.net/v1/invoices/6c590ad5-e8c8-4f43-9c58-62fbbe993c15",
    "queued_at": "2019-08-24T14:15:22.123Z",
    "started_at": "2019-08-24T14:15:22.123Z",
    "finished_at": "2019-08-24T14:15:22.123Z",
    "processing_error": null,
    "next_poll_after_seconds": 2
}