{
  "formatica_version": "1.0",
  "schema": "tc:weather.v1",
  "request_id": "8a3f",
  "header": {
    "role": "assistant",
    "timestamp": 1745515200,
    "conversation_id": "c_9b2e"
  },
  "tool_call": {
    "name": "get_weather",
    "arguments": {
      "location": "Austin, TX",
      "units": "imperial",
      "when": "now"
    }
  },
  "metadata": {
    "priority": "normal",
    "timeout_ms": 5000
  }
}