AccountSpy.xml

<aura:component implements="force:appHostable,flexipage:availableForAllPageTypes" access="global" >
    <!--Include StreamingApiHandler child component and pass channel name to subscribe
     ex: "/topic/AccountSpy" is my pushtopic channel name
	 once the event is fired, it will handled in handleMessage controller method -->
	<c:StreamingAPIHandler channelName="/topic/AccountSpy" onStreamEvent="{!c.handleMessage}" />
    
    <lightning:card footer="Please check browser console for latest captured event" 
                    title="Account Spy"
                    iconName="standard:search">
        <p class="slds-p-horizontal_small">
            This is blank component to demonstrate streaming api usage in lightning component.
        </p>
    </lightning:card>
</aura:component>