JSFiddle - React, Tailwind, and code Playground

JavaScript

responseJSON = {
"Sites": {
    "LHR": 1,
    "NJE": 1,
    "AZS": 1,
    "SGP": 1,
    "OHS": 1,
    "AZP": 1
  }
};

for(var notification in responseJSON.Sites){
    console.log(notification + " : " + responseJSON.Sites[notification]);
    }