{
  "anonymous_id": "569a0e86-0484-4a84-afa8-cc55b76fe5c4",
  "event": "button_clicked",
  "message_id": "07cf5c9f-fbb0-4877-bfad-e158d86978ee",
  "properties": {
    "any": "value",
    "you": "can have"
  },
  "timestamp": "2024-03-20T15:30:00Z",
  "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)",
  "user_id": "97980cfea0067"
}

{
  "anonymous_id": "Anonymous identifier for the user",
  "event": "Name of the event being tracked",
  "message_id": "Unique identifier for this message",
  "properties": "Event properties, free-form dictionary of properties of the event.",
  "timestamp": "When this track event occurred",
  "user_agent": "User agent string from the client",
  "user_id": "Unique identifier for the user"
}