curl --request POST \
  --url https://gateway.varchev.com/crypto/requestWithdrawCancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'tenantId: <tenantid>' \
  --data '
{
  "nonce": 98728739,
  "asset": "reprehenderit non irure",
  "refid": "eiusmod in ea"
}
'

{
  "error": [],
  "result": true
}