{"@context": "https://www.w3.org/ns/activitystreams",
 "type": "Create",
 "id": "https://social.example/alyssa/posts/9282e9cc-14d0-42b3-a758-d6aeca6c876b",
 "to": ["https://social.example/alyssa/followers/",
        "https://www.w3.org/ns/activitystreams#Public"],
 "actor": "https://social.example/alyssa/",
 "object": {"type": "Note",
            "id": "https://social.example/alyssa/posts/d18c55d4-8a63-4181-9745-4e6cf7938fa1",
            "attributedTo": "https://social.example/alyssa/",
            "to": ["https://social.example/alyssa/followers/",
                   "https://www.w3.org/ns/activitystreams#Public"],
            "content": "Lending books to friends is nice.  Getting them back is even nicer! :)"}}