TrainShoppingRequest

{
    "changeForOrderId": "TO202607150001",
    "departure": {
        "cityId": "CNBJS",
        "stationCodes": [
            "BJP"
        ]
    },
    "arrival": {
        "cityId": "CNBJS",
        "stationCodes": [
            "BJP"
        ]
    },
    "departureDate": "2026-07-20",
    "departureStartTime": "08:00",
    "departureEndTime": "18:00",
    "returnDate": "2026-07-25",
    "returnStartTime": "09:00",
    "returnEndTime": "20:00",
    "locale": "zh-Hans",
    "connectionRegion": "EUROPE"
}