JSFiddle - React, Tailwind, and code Playground
JavaScript
var s = '{"genericformfieldId": "1","userId": "2","formData": {"_1443551400000": [{"mValue": "HARYANA","type": "DropDown","name": "selectState"}],"_1443637800000": [{"mValue": "CHHATTISGARH","type": "DropDown","name": "selectState"}],"_1443810600000": [{"mValue": "sac","type": "SingleLineText","name": "departureFrom"}]}}';
var result = JSON.parse(s);
console.log(result);