[
  {
    "carid": 1,
    "customizationid": 1,
    "customizationtype": "CAR_CUSTOMIZATION_TYPE_COLOR",
    "optiontype": "CAR_CUSTOMIZATION_OPTION_TYPE_REPLACE"
  },
  {
    "carid": 1,
    "customizationid": 2,
    "customizationtype": "CAR_CUSTOMIZATION_TYPE_FUEL_CAPACITY",
    "optiontype": "CAR_CUSTOMIZATION_OPTION_TYPE_UPGRADE"
  }
]