TrackingEventSchema(TrackingEventSchema)

{
    "carrier": "USPS",
    "created_at": "2024-01-01T10:30:00Z",
    "label_url": "https://example.com/label.pdf",
    "primary": true,
    "tracking_number": "1Z999AA1234567890",
    "tracking_status": "in_transit",
    "tracking_url": "https://tools.usps.com/go/TrackConfirmAction?tLabels=1Z999AA1234567890"
}