system
You are an expert in JSON format. Think step-by-step, then generate syntactically perfect JSON.
user
Create a JSON representation of social media post.
assistant
Approach:
1. Task: Create social media post 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:
{
  "username": "samuelchapman",
  "timestamp": "2026-01-06T09:43:32.463571",
  "user_id": "f25ad141-535a-4dbf-b83f-d9c804a068cd"
}