如何使用数组反序列化json字符串

Question

Res：

{
  "status": "success",
  "statusCode": 200,
  "message": "Security Questions fetched Successfully",
  "data": [

    [
        {
          "id": 4,
          "name": "what is u r name?",
          "category": "personel"
        },
        {
          "id": 21,
          "name": "what is your nick name?",
          "category": "personnal"
        },
    ], 
    [
        {
          "id": 43,
          "name": "what is your spouse name?",
          "category": "family"
        },
        {
          "id": 42,
          "name": "what is your nick name?",
          "category": "family"
        }
    ]

  ]
}