StepPriceDTO

{
    "gdsStepPrices": [
        {
            "gdsStepPrices": [],
            "gradeId": 0,
            "mumCount": 0,
            "price": 0,
            "id": 0
        }
    ],
    "gradeId": 0,
    "mumCount": 0,
    "price": 0,
    "id": 0
}