{
  "@context": "https://www.w3.org/ns/activitystreams",
  "summary": "Activities in context 1",
  "type": "Collection",
  "items": [
    {
      "type": "Offer",
      "actor": "http://sally.example.org",
      "object": "http://example.org/posts/1",
      "target": "http://john.example.org",
      "context": "http://example.org/contexts/1"
    },
    {
      "type": "Like",
      "actor": "http://joe.example.org",
      "object": "http://example.org/posts/2",
      "context": "http://example.org/contexts/1"
    }
  ]
}