{
  "content": [
    {
      "type": "text",
      "text": "{\n    \"success\": true,\n    \"message_sent\": \"Welcome, Alice! Welcome to our platform!\"\n}"
    }
  ],
  "structuredContent": {
    "success": true,
    "message_sent": "Welcome, Alice! Welcome to our platform!"
  },
  "isError": false
}