JSFiddle - React, Tailwind, and code Playground

JavaScript

var geoStr = 'Geo = {"city":"Woodbury","country":"US","lat":"39.824001","lon":"-75.131798","IP":"98.110.51.114","netmask":"24"};';

var geoJSON = geoStr.split('=')[1];

geoJSON = $.parseJSON(geoJSON.substring(0, geoJSON.length -1));

console.log(geoJSON);