curl --request POST \
  --url https://api.chron.com/v1/cards/{cardId}/block \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "reason": "<string>"
}'

{
  "cardId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "clientReference": "<string>",
  "status": "WAITING_ACTIVATION",
  "initialBalance": 123,
  "currentBalance": 123,
  "expiryDate": "2023-11-07T05:31:56Z",
  "design": "<string>",
  "metadata": {},
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "activatedAt": "2023-11-07T05:31:56Z",
  "cancelledAt": "2023-11-07T05:31:56Z",
  "cancellationAmount": 123,
  "cancellationAction": "EXPIRY",
  "transactions": [
    {
      "transactionId": "<string>",
      "amount": 123,
      "type": "LOAD",
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ]
}