JSON parse error: Unexpected character ('L' (code 76)): was expecting double-quote to start field na

1.错误原因：JSON格式书写错误

{
  "FirstNameCn":"zh",
  "FirstNameEn":"Progress",
  LastNameCn:"zh",
  LastNameEn:"in",
  age:40,
  appntCustomerNo:"F77",
  birthday:"",
  gender:"F",
  nationalityCode:"PRC",
  nationalityName:"people",
  occupationCode:"148",
  occupationName:"glass",
  placeOfResidency:"2",
  relationToAppnt:1,
  smokingStatus:1,
  type:"add"
}

 2. 解决方法