DotNetCore.SKIT.FlurlHttpClient.Wechat/test/SKIT.FlurlHttpClient.Wechat.Api.UnitTests/ModelSamples/Channels/ECOrder/ChannelsECOrderPriceUpdateRequest.json

{
    "order_id": "123456",
    "change_express": true,
    "express_fee": 0,
    "change_order_infos": [
        {
            "product_id": "1234",
            "sku_id": "5678",
            "change_price": 300
        }
    ]
}