system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Output social media post as JSON.
assistant
Approach:
1. Task: Create social media post 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:
{
  "post_id": "POST-60981055",
  "platform": "facebook",
  "user_id": "19229dfb-5312-40c0-98c7-26e63c8232e3",
  "username": "lisa60",
  "content": "Carry four play. Reveal anyone live during international magazine. Prevent meeting share bit I.",
  "timestamp": "2026-01-06T09:43:34.135905",
  "hashtags": [
    "#ability",
    "#establish"
  ],
  "engagement": {
    "likes": 9627,
    "shares": 120,
    "comments": 152
  }
}