{
"@context": "https://www.w3.org/ns/activitystreams",
"summary": "Sally liked a note",
"type": "Like",
"actor": "http://sally.example.org",
"object": [
"http://example.org/posts/1",
{
"type": "Note",
"summary": "A simple note",
"content": "That is a tree."
}
]
}