json数组嵌套

{
"activityText":"赠送积分…", 
  "contact":"400-700-1188",
  "colorList": [
    {
      "colorId": "1",
      "colorName": "红色",
      "colorRGBA": "255|0|0|1",
      "sizeList": [
        {
          "sizeId": "1",
          "sizeName": "XL",
          "stock": "99"
        }
      ],
      "imageList": [
        {
          "imageId": "1",
          "smallImageUrl": "http",
          "bigImageUrl": "http"
        }
      ]
    }
  ]
}