jhu_listen.js

var PGPubsub = require('pg-pubsub');

var pubsubInstance = new PGPubsub('postgres://password:user@host:5432/database');
 
pubsubInstance.addChannel('jhucounty', function (channelPayload) {
  console.log(channelPayload); 
  console.log('---------------------------------');
  console.log(JSON.stringify(channelPayload));
});