salesforce_subscriber.rb

def subscribe
    EM.run do
      # Subscribe to the account PushTopic.
      account_topic = ENV['ACCOUNT_PUSH_TOPIC_NAME']
      contact_topic = ENV['CONTACT_PUSH_TOPIC_NAME']
      @client.subscription "/topic/#{account_topic}" do |message|
        Logger.new(LOG_PATH).info('Account Received')
        message.inspect
      end
      
      # Subscribe to the contact PushTopic.
      @client.subscription "/topic/#{contact_topic}" do |message|
        Logger.new(LOG_PATH).info('Contact Received')
        message.inspect
      end
    end
end