gistfile1.txt

{
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    "page": 1,
    "slug": "",
    "tag": "",
    "created_at_min": "2013-03-15T16:41:56+08:00",
    "created_at_max": "2013-04-15T16:41:56+08:00",
    "trackings": [
        {
            "active": false,
            "created_at": "2013-03-20T02:33:06+08:00",
            "custom_fields": {},
            "customer_name": null,
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            "emails": [],
            "last_modified": "2013-04-15T16:24:22+08:00",
            "origin_country_iso3": "USA",
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            "order_id_path": null,
            "shipment_package_count": 1,
            "smses": [],
            "source": null,
            "slug": "ups",
            "tag": "Pending",
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            "tracking_number": "1Z3119500478086955",
            "checkpoints": []
        },
        ...
    ]
}