{
  "schemaVersion": "1.0",
  "messageId": "b3d2f1a0-6c7d-4e8f-9a0b-1c2d3e4f5a6b",
  "sentAt": "2026-08-24T08:00:00Z",
  "courier": "ACME_EXPRESS",
  "events": [
    {
      "eventId": "ACME-RET556677-000003",
      "trackingNumber": "RET556677",
      "occurredAt": "2026-08-23T16:30:00+02:00",
      "status": { "code": "R23", "description": "Return in transit to sender" },
      "location": { "name": "Bologna", "countryCode": "IT", "postalCode": "40100" },
      "isReturn": true
    }
  ]
}