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-35221409",
  "platform": "facebook",
  "user_id": "5bf79f28-efaf-4acf-a145-21a849f6b14e",
  "username": "wmcdaniel",
  "content": "Become research fire several area activity. Name beat four rock.",
  "timestamp": "2026-01-06T09:43:30.260031",
  "hashtags": [
    "#organization",
    "#pass",
    "#individual"
  ],
  "engagement": {
    "likes": 5516,
    "shares": 205,
    "comments": 153
  }
}