curl --request GET \
  --url https://external-api.kalshi.com/trade-api/v2/structured_targets/{structured_target_id}

{
  "structured_target": {
    "id": "<string>",
    "name": "<string>",
    "type": "<string>",
    "details": {},
    "source_id": "<string>",
    "source_ids": {},
    "last_updated_ts": "2023-11-07T05:31:56Z"
  }
}