2018-03-18 UTC
# 
puckipedia
{"type": "Create", "id": "https://x.example.com/activity/123", "actor": "https://x.example.com/user/a", "object": {"type": "Note", "content": "this is now a reply", "id": "https://x.example.com/note/123", "to": "https://y.example.com/user/y", ..}, ...}