subscriber.created

{
  "event_id": "evt_2bH7kNwP5mQaV1sXgIdKe6pZr",
  "type": "subscriber.created",
  "data": {
    "object": {
      "id": "sub_4yM2nTvR8oPcX3uZiKeLg7sB",
      "object": "subscriber",
      "subscribed": true,
      "subscribed_at": null,
      "unsubscribed_at": null,
      "audience": { "id": "oid", "name": "Name" },
      "contact": {
        "id": "oid",
        "email": "email",
        "first_name": "first name",
        "last_name": "last name",
        "custom_fields": {}
      },
      "created_at": "2026-02-11T22:14:33.481927+00:00"
    }
  }
}