curl --request GET \
  --url https://pnbr.io/v1/loops/{loop_id} \
  --header 'Authorization: Bearer <token>'

{
  "loop_id": "<string>",
  "status": "queued",
  "goal": "<string>",
  "project_id": "<string>",
  "result": {
    "type": "delta",
    "delta_id": "<string>",
    "entity_count": 123,
    "relationship_count": 123
  },
  "poll": "<string>",
  "checkpoints": "<string>",
  "events": "<string>",
  "request_id": "<string>"
}