system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Produce a JSON document for a social media post.
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-14344324",
  "platform": "instagram",
  "user_id": "98b39778-8f66-4f4c-a6d9-e434f4fdf9d5",
  "username": "bcarter",
  "content": "Left sport yourself education early some myself. Listen dream allow that financial.",
  "timestamp": "2026-01-06T09:43:34.778948",
  "hashtags": [
    "#change",
    "#ever"
  ],
  "engagement": {
    "likes": 1135,
    "shares": 304,
    "comments": 450
  }
}