JSON解析器嵌套数组值

Question

{
    "Head1" : {
        "roll no" : 2323,
        "person name" : "Ankit",
        "person mark" : 1124,
        "person average" : 92.34657163223787
    },
    "Head2" : {
        "subject1" : 135,
        "subject2" : 184,
        "subject3" : 200,
        "subject4" : 200,
        "subject5" : 200,
        "subject6" : 180
    },
    "Head3" : ["{\"mobile\":\"919958254506\",\"profile\":[\"{\\\"profile_TYPE\\\":\\\"PERSONAL\\\",{ \\\"number\\\":\\\"919958254506\\\"} }\",\"{\\\"profile_TYPE\\\":\\\"PERSONAL\\\",{ \\\"number\\\":\\\"919958254506\\\"} }\",\"{\\\"profile_TYPE\\\":\\\"PERSONAL\\\",{ \\\"number\\\":\\\"919958254506\\\"} }\"],\"SMS_DATE\":\"9/15/2015 10:59:59\",\"SMS_DATASOURCE\":\"Hi Ankit. How r u .\"}"]
}

以上是我的json我想显示特定值，例如配置文件类型和编号的配置文件值的head3值。我怎么能解析这些价值，谢谢... ...