{
  "@context": "https://www.w3.org/ns/activitystreams",
  "summary": "A simple note",
  "type": "Note",
  "id": "http://www.test.example/notes/1",
  "content": "I am fine.",
  "replies": {
    "type": "Collection",
    "totalItems": 1,
    "items": [
      {
        "summary": "A response to the note",
        "type": "Note",
        "content": "I am glad to hear it.",
        "inReplyTo": "http://www.test.example/notes/1"
      }
    ]
  }
}