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: complex - 8-10 fields, 3-4 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-79890084",
  "customer_id": "4c9f9f8a-3fb5-41bc-8703-bf6196091515",
  "timestamp": "2026-01-06T09:43:29.757714",
  "items": [
    {
      "sku": "SKU-50400",
      "qty": 4,
      "price": 80.89
    },
    {
      "sku": "SKU-85515",
      "qty": 5,
      "price": 367.59
    },
    {
      "sku": "SKU-41832",
      "qty": 5,
      "price": 178.88
    },
    {
      "sku": "SKU-38315",
      "qty": 3,
      "price": 240.63
    }
  ],
  "subtotal": 788.47,
  "tax": 5.52,
  "total": 1195.64,
  "payment_method": "paypal"
}