Update Subscription

PUT https://api.vivapayments.com/dataservices/v1/webhooks/subscriptions/54bc943c-ef29-46ce-9c6d-7019c85deb69

Request Body

{"url"=>"https://webhook.site/88261e7e-4745-42b8-addb-cafe225b21b3", "secret"=>"TestSecretKeyForHMAC", "events"=>["SaleTransactionsFileGenerated"]}