curl --request GET \
  --url https://api.maildiver.com/v1/automation/contacts/{email} \
  --header 'Authorization: Bearer <token>'

{
  "id": "0195c9e3-5067-741d-be87-a4f75ef93372",
  "email": "user@example.com",
  "workspace_id": "0195a927-b706-725a-94dd-372770d920f2",
  "properties": {
    "first_name": "John",
    "last_name": "Doe",
    "plan": "pro",
    "signup_date": "2024-01-15"
  },
  "last_seen": 1742843423033,
  "last_event": "email.delivered",
  "event_count": 15,
  "first_seen": 1742299707142,
  "created_at": 1742299707142,
  "updated_at": 1742843423033
}