List all port-out events

{
    "data": [
        {
            "available_notification_methods": [
                "email"
            ],
            "created_at": "2021-03-19T10:07:15.527000Z",
            "event_type": "portout.status_changed",
            "id": "eef3340b-8903-4466-b445-89b697315a3a",
            "payload": {
                "attempted_pin": "1234",
                "carrier_name": "Testing Carrier",
                "id": "96dfa9e4-c753-4fd3-97cd-42d66f26cf0c",
                "phone_numbers": [
                    "+35312345678"
                ],
                "rejection_reason": null,
                "spid": "987H",
                "status": "pending",
                "subscriber_name": "John Doe",
                "user_id": "96dfa9e4-c753-4fd3-97cd-42d66f26cf0c"
            },
            "payload_status": "created",
            "portout_id": "9471c873-e3eb-4ca1-957d-f9a451334d52",
            "record_type": "portout_event",
            "updated_at": "2021-03-19T10:07:15.527000Z"
        }
    ],
    "meta": {
        "page_number": 2,
        "page_size": 25,
        "total_pages": 3,
        "total_results": 55
    }
}