$ npm i --save mixpanel-event-stream
const mixpanel = require('mixpanel-event-stream');
mixpanel()
.apiSecret('api secret')
.fromDate('2017-01-01 12:00')
.toDate('2017-01-01 18:00')
.event(['event name'])
.createStream()
.on('data', data => console.log(data));