Google Cloud PubSub for transporter
const Transporter = require('@mydevices/transporter');
const CloudPubSub = require('@mydevices/pubsub-transporter').CloudPubSub;
Transporter.add(CloudPubSub, {
topic: 'projects/myproject/topics',
projectId: 'myproject-id',
credentialsFile: '/path/to/credentials.json'
});
Transporter.publish( { hello: "world" } );