The event sent to the stream is something like
INFO [2017-02-21 18:55:48,052] defaultEventExecutorGroup-2-1 - riemann.config - #riemann.codec.Event{:host vervaine, :service machine.app.env.function.method, :state nil, :description nil, :metric 1.0, :tags [Tracing Request], :time 1487703347, :ttl 60}
$ npm install cradle (https://github.com/sreeix/cradle)
$ npm install riemann (https://github.com/perezd/riemann-nodejs-client)
$ npm install