{
   "type": "record",
   "name": "SubscriptionRequest",
   "namespace": "com.felipeassoline.subscription.payment.api",
   "fields": [
       {"name": "cardNumber", "type": ["string", "null"]},
       {"name": "secret", "type": ["string", "null"]},
       {"name": "status", "type": ["string", "null"]}
   ]
}