system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Produce a JSON document for a transaction record.
assistant
Approach:
1. Task: Create transaction record in JSON
2. Complexity: medium - 5-8 fields, 2-3 levels
3. Format rules: proper braces/brackets, quoted keys, correct value types
4. Structure: Organize data logically with appropriate nesting
5. Populate fields with realistic example data based on the schema.

Output:
{
  "txn_id": "TXN-84792693",
  "customer_id": "e356879c-f937-4dc2-b10f-efded819a110",
  "timestamp": "2026-01-06T09:43:33.158562",
  "items": [
    {
      "sku": "SKU-99661",
      "qty": 4,
      "price": 457.18
    },
    {
      "sku": "SKU-21675",
      "qty": 1,
      "price": 347.06
    }
  ],
  "subtotal": 1867.87,
  "tax": 14.9,
  "total": 1551.7,
  "payment_method": "credit_card"
}