system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Generate transaction record data in JSON format.
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-11812117",
  "customer_id": "4e79c070-6935-456a-b07c-e1f0e18641ae",
  "timestamp": "2026-01-06T09:43:30.130542",
  "items": [
    {
      "sku": "SKU-52645",
      "qty": 3,
      "price": 146.99
    },
    {
      "sku": "SKU-49070",
      "qty": 4,
      "price": 201.41
    },
    {
      "sku": "SKU-26435",
      "qty": 5,
      "price": 345.23
    }
  ],
  "subtotal": 721.98,
  "tax": 169.32,
  "total": 333.86,
  "payment_method": "credit_card"
}