{
  "id": "<string>",
  "type": "items",
  "attributes": {
    "name": "<string>",
    "quantity": 123,
    "unit_price": 123,
    "total": 123,
    "tax_rate": 123,
    "tax_amount": 123,
    "currency": "<string>"
  },
  "links": {
    "self": "<string>"
  },
  "relationships": {
    "invoice": {
      "data": {
        "type": "<string>",
        "id": "<string>"
      },
      "links": {
        "self": "<string>"
      }
    },
    "itemable": {
      "data": {
        "type": "<string>",
        "id": "<string>"
      },
      "links": {
        "self": "<string>"
      }
    }
  }
}