{
  "type": ["h-entry"],
  "properties": {
    "url": ["http://example.com/this/rsvp"],
    "in-reply-to": [
      {
        "type": ["h-cite"],
        "properties": {
          "url": ["http://example.com/event"]
        },
        "value": "http://example.com/event"
      },
      {
        "type": ["h-cite"],
        "properties": {
          "url": ["http://other.event"]
        },
        "value": "http://other.event"
      }
    ],
    "rsvp": ["yes"]
  }
}
