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-28739587",
  "customer_id": "626b288f-7bc9-40db-8370-c072e6d11f08",
  "timestamp": "2026-01-06T09:43:34.743621",
  "items": [
    {
      "sku": "SKU-93439",
      "qty": 1,
      "price": 119.65
    },
    {
      "sku": "SKU-76710",
      "qty": 3,
      "price": 124.14
    }
  ],
  "subtotal": 918.1,
  "tax": 120.16,
  "total": 2089.15,
  "payment_method": "apple_pay"
}