How to fetch data from DynamoDB using nodejs

I am trying to fetch an element from one of my DynamoDB table. I have used Nodejs to do this. It is fetching the element but its also fetching the element type and some other data. So, my code looks like below. I have my table as

dummyKey    endTime    startTime    status
   1        1:30:00     1:15:00     start

I want to fetch and print my endTime onto one of my geckoboard widget. But, when I console this I get { ConsumedCapacityUnits: 0.5, Item: { endTime: { S: '1:30:00' } } } text { success: true }. But, I just want 1:30:00 to be displayed so that i can push it to widget. How could this be acomplished modifying the below Nodejs code. I am new to nodejs.

 var AWS = require('aws-sdk');
 AWS.config.update({
     region: 'us-east-1' });
 var db = new AWS.DynamoDB({
     apiVersion: '2011-12-05'
 });
 var Geckoboard = require('geckoboard-push');
 var gecko = new Geckoboard({
     api_key: '2335324j5n3j4b4b6h4b64k6n4l5k'
 });
 var text = gecko.text('XXXX-XXXXX-XXXXX-XXXXX');
 var params = {
     AttributesToGet: ["endTime"],
     TableName: 'tableName',
     Key: {
         "HashKeyElement": {
             "S": "1"
         },
     }
 }
 db.getItem(params, function(err, data) {
     if (err) {
         console.log(err); // an error occurred
     } else {
         text.send([{
             text: data
         }, ], function(err, response) {
             console.log('text', response);
         });
         console.log(data); // successful response
     }
 });