{
  "merchant": "verbatim-string",
  "purchase_date": "date",
  "purchase_time": "time",
  "total": "number",
  "currency": "currency",
  "item_count": "integer",
  "paid": "boolean",
  "payment_method": ["cash", "credit-card", "debit-card", "other"],
  "items": ["verbatim-string"]
}