curl --request POST \
  --url https://staging-api.capa.fi/api/partner/v1/on-ramp/{transactionId}/user/{userId}/cancel \
  --header 'partner-api-key: <partner-api-key>' \
  --header 'x-supported-country: <x-supported-country>'

{
  "status": "ok",
  "data": {
    "id": "<string>",
    "userId": "<string>",
    "status": "<string>",
    "fromAmount": 123,
    "fiatCurrencyId": "<string>",
    "blockchainToTokenId": "<string>",
    "exchangeRate": 123,
    "type": "<string>",
    "userBankInfo": [
      {}
    ]
  }
}