JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = {
    "status_code": 200,
        "data": {
        "units": -1,
            "unit_reference_ts": null,
            "tz_offset": -4,
            "unit": "day",
            "countries": [{
            "country": "IN",
            "clicks": 12
        },{
            "country": "UK",
            "clicks": 123
        }]
    },
        "status_txt": "OK"
}

var obj = {}
$.each(data.data.countries, function(key, value) {
       obj[value.country] = value.clicks;
    });

console.log(obj)
console.log(JSON.stringify(obj, null, 2))