system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Create a JSON representation of transaction record.
assistant
Approach:
1. Task: Create transaction record in JSON
2. Complexity: simple - 3-5 fields, minimal nesting
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:
{
  "total": 245.6,
  "timestamp": "2026-01-06T09:43:30.743838",
  "customer_id": "1a8f628d-f063-4e73-9f5b-b6ef432e3c00",
  "tax": 65.5
}