This class is used to represent an action to be taken over a Payment
"rel": "confirm", "method": "REDIRECT" ===> The link should be used to confirm a payment by redirecting the client to the href link which is a link to the Enzona platform.
"rel": "complete", "method": "POST" ===> The link should be used to complete a payment, instead of using the link on href, a proper POST request should be generated with proper authentication
"rel": "cancel", "method": "POST" ===> The link should be used to cancel a payment, instead of using the link on href, a proper POST request should be generated with proper authentication
"rel": "refund", "method": "POST" ===> The link should be used to refund a payment, instead of using the link on href, a proper POST request should be generated with proper authentication
"rel": "self", "method": "GET" ===> The link should be used to get a payment data, instead of using the link on href, a proper GET request should be generated with proper authentication