How to check maped data in Grafana

Hi guys!
I try to get data from jira, postman call contains everythins but when i try to map this object daneJson is created but it seems it contains nothing, code belowe

const daneJSON = data.series.find(series => == “DataApi”);

if (daneJSON != null) {
daneJSON.issues = ;

daneJSON.issues.forEach((issue) => { …

By if (daneJSON != null) i recognize that issues is null so, i want to check how daneJson object looks inside after i did => data.series.find(series => == “DataApi”); but i dont have any idea how to check it, can somebody explain it?