{
  "envelope": {
    "ai2ai": "0.1",
    "id": "37a3fddb-73e1-4b85-8de5-2def875216bf",
    "timestamp": "2026-02-15T04:10:06.900Z",
    "from": {
      "agent": "my-assistant",
      "node": "my-assistant-node",
      "human": "Human"
    },
    "to": {
      "agent": "unknown"
    },
    "conversation": "611610be-28f2-4b31-9afc-b5e278334d8a",
    "type": "request",
    "intent": "schedule.meeting",
    "payload": {
      "subject": "Test Dinner",
      "proposed_times": [
        "2026-02-10T19:00:00Z",
        "2026-02-11T19:00:00Z"
      ],
      "duration_minutes": 60,
      "location_preference": "Coffee shop",
      "notes": null,
      "flexibility": "medium"
    },
    "requires_human_approval": true,
    "signature": "4p2EYg28kp5fKnkXs55VcPJNZWBwhUYfHLAC8mWAPQrGpCpdG4lz9tBuvx9Gv5eUxGpX+cB2H76sRKqv8sd+Ag=="
  },
  "approvalMessage": "📅 **Meeting Request** from Human's AI (my-assistant)\n**Subject:** Test Dinner\n**Proposed times:**\n  1. 2/10/2026, 7:00:00 PM\n  2. 2/11/2026, 7:00:00 PM\n**Duration:** 60 minutes\n**Location:** Coffee shop\n**Flexibility:** medium\nReply with a number to accept a time, or suggest an alternative.",
  "handler": "schedule.meeting",
  "createdAt": "2026-02-15T04:10:06.902Z"
}