I am just starting to use RabbitMQ and AMQP in general.
I think you should check sending your messages using the fan-out exchanger. That way you willl receiving the same message for differents consumers, under the table RabbitMQ is creating differents queues for each one of this new consumers/subscribers.
This is the link for see the tutorial example in javascript https://www.rabbitmq.com/tutorials/tutorial-one-javascript.html