4. Handle Payment Response
Payments SDK Native Module will be emitting all the relevant events to JS via RCTDeviceEventEmitter and JavaScript modules can then register to receive events by invoking addListener on the NativeEventEmitter class in the componentDidMount() method with the event name 'HyperEvent'. The listener will return a stringified JSON response (resp)
Step 4.1.
Handle Payment Events from SDK
Step 4.2.
Check Payment Status
Step 4.3.
Display Payment Status

