curl --request GET \
  --url https://api.maesn.dev/accounting/purchaseOrders/{purchaseOrderId}/lineItems/{lineItemId} \
  --header 'X-ACCOUNT-KEY: <x-account-key>' \
  --header 'X-API-KEY: <x-api-key>'

{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 123,
      "perPage": 123,
      "currentPage": 123,
      "totalPages": 123
    }
  },
  "data": {
    "id": "9fc4f3a2-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
    "itemId": "efa82f42-fd85-11e1-a21f-0800200c9a33",
    "createdDate": "2021-01-01T00:00:00Z",
    "description": "SEOUL Guest Chair, red",
    "itemName": "RED CHAIR",
    "quantity": "1",
    "taxCode": "CODE.19",
    "taxRatePercentage": 19,
    "totalDiscountAmount": 10,
    "totalDiscountPercentage": 10,
    "totalGrossAmount": 109,
    "totalNetAmount": 100,
    "totalTaxAmount": 19,
    "unitAmount": 100,
    "unitDiscountAmount": 10,
    "unitDiscountPercentage": 10,
    "unitName": "PIECE",
    "updatedDate": "2021-01-01T00:00:00Z"
  }
}