subscribeBalancedRequest(action) {
		const topic = `${this.prefix}.${PACKET_REQUEST}B.${action}`;
		const queue = action;

		if (this.useLegacy)
			this.subscriptions.push(
				this.client.subscribe(topic, { queue }, msg => this.receive(PACKET_REQUEST, msg))
			);
		else
			this.subscriptions.push(
				this.client.subscribe(topic, {
					queue,
					callback: (err, msg) => this.receive(PACKET_REQUEST, Buffer.from(msg.data))
				})
			);
	}
Subscribe to balanced action commands

@param {String} action
@memberof NatsTransporter