gistfile1.rb

# do gem install web-socket-ruby first

require 'web_socket'
require 'json'

client = WebSocket.new("ws://localhost:8080/eventbus/websocket")

message = {:name => "tim", :age => 29}
envelope = {:type => "send",
            :address => "some-address",
            :body => message }

client.send(envelope.to_json)