system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Produce a JSON document for a error log.
assistant
Approach:
1. Task: Create error log 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:
{
  "error_id": "9cfb0d51-7103-4dab-8dfa-b4e2d417bcd8",
  "timestamp": "2026-01-06T09:43:29.782624",
  "level": "ERROR",
  "service": "hospitalService",
  "message": "Strong painting future break college spring.",
  "stack_trace": [
    "at card.py:262",
    "at bag.py:228",
    "at ball.py:195"
  ],
  "context": {
    "user_id": "569283d8-c757-4cb0-9758-1e88835e8207",
    "request_id": "ae51c08d-1c61-4aab-b9c4-b7718883e33e"
  }
}