Get Dogecoin price with JavaScript

dogecoin_price.js

// npm i bitcoinaverage

const ba = require('bitcoinaverage');
var publicKey = 'ZGUyZTQ3NTJiNDQ5NDkzM2I4YTRjNjE2YTY1Y2Y0ZjE';
var restClient = ba.restfulClient(publicKey);

restClient.getTickerDataPerSymbol('crypto', 'DOGEUSD', function(response) {
    console.log(response);
}, function(error){
    console.log(error);
});

// Response is in the following format

/*
{
    "ask": 0.21944992,
    "bid": 0.21788128,
    "last": 0.21833955,
    "high": 0.23199863,
    "low": 0.19238372,
    "volume": 506088554.97042447,
    "open": {
        "hour": 0.22255737,
        "day": 0.19742508,
        "week": 0.18248238,
        "month": 0.23840021,
        "month_3": "",
        "month_6": "",
        "year": ""
    },
    "averages": {
        "day": 0.20758051,
        "week": 0.18883814,
        "month": 0.21464995
    },
    "changes": {
        "price": {
            "hour": -0.00421782,
            "day": 0.02091447,
            "week": 0.03585717,
            "month": -0.02006066,
            "month_3": "",
            "month_6": "",
            "year": ""
        },
        "percent": {
            "hour": -1.90000000,
            "day": 10.59000000,
            "week": 19.65000000,
            "month": -8.41000000,
            "month_3": "",
            "month_6": "",
            "year": ""
        }
    },
    "timestamp": 1627306075,
    "display_timestamp": "Mon, 26 Jul 2021 13:27:55  +0000",
    "display_symbol": "DOGE-USD"
}
*/

When i tried it, i just got null. I used the exact code