```json
{
  "merchant": "TESTMART #4021",
  "chain": "TESTMART",
  "storeNumber": "4021",
  "storeAddress": "123 Fixture Ave, Sampleton CA",
  "date": "2026-03-20T00:00:00Z",
  "receiptNumber": null,
  "total": "$14.01",
  "tax": "1.04",
  "paymentMethod": "Visa",
  "overallConfidence": 0.42,
  "lineItems": [
    {
      "name": "TM WHOLE MILK 1GAL",
      "commonName": "whole milk",
      "category": "GROCERY",
      "barcode": null,
      "lineType": "item",
      "quantity": 1,
      "unitPrice": 4.29,
      "weightLbs": null,
      "pricePerLb": null,
      "listPrice": 4.29,
      "pricePaid": 4.29,
      "lineTotal": 4.29,
      "confidence": 0.55
    },
    {
      "name": "TM WHT BREAD LOAF",
      "commonName": "white bread",
      "category": "GROCERY",
      "barcode": null,
      "lineType": "item",
      "quantity": null,
      "unitPrice": null,
      "weightLbs": null,
      "pricePerLb": null,
      "listPrice": "3.19",
      "pricePaid": "3.19",
      "lineTotal": "3.19",
      "confidence": 0.3
    },
    {
      "name": "TM LG EGGS DZ",
      "commonName": "large eggs",
      "category": "GROCERY",
      "barcode": null,
      "lineType": "item",
      "quantity": 1,
      "unitPrice": 5.49,
      "weightLbs": null,
      "pricePerLb": null,
      "listPrice": 5.49,
      "pricePaid": 5.49,
      "lineTotal": 5.49,
      "confidence": 0.6
    }
  ]
}
```
