{
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  "status": "ARRIVED_AT_PICKUP",
  "driver": null,
  "pickup_eta": "2026-06-02T18:30:00Z",
  "dropoff_eta": "2026-06-02T18:30:00Z",
  "tracking_url": "https://developer.grubhub.com/track/abc123",
  "updated_at": "2026-06-02T18:30:00Z"
}