Maybe you should try out a for..in () {} loop: 
"use strict";
const jsonObj = {
"OBJECT NAME": {
"OBJECT.NAME#VAR112": {
"data01": "BJECT.NAME#VAR112",
"data02": "T-9F50. Serial Number: PI040298AA3I003620",
"data03": "Grow.Thingful",
"data04": 3
},
"OBJECT.NAME#VAR113": {
"data01": "OBJECT.NAME#VAR113",
"data02": "T-9F50. Serial Number: PI040298AA3I003620",
"data03": "Grow.Thingful",
"data04": 3
}
}
};
for (const name in jsonObj) {
const vars = jsonObj[name];
for (const entry in vars) {
const datas = vars[entry];
console.info(`${entry}:`);
for (const data in datas) {
const info = datas[data];
console.log(`\t${data}: ${info}`);
}
console.log('\n');
}
}