{
"cryptoCheckoutId": "string"
}curl --location --request POST 'https://dev-api.mce.sg/v1.0/payment/crypto/closeCryptoCheckout' \
--header 'Content-Type: application/json' \
--data-raw '{
"cryptoCheckoutId": "string"
}'{
"code": "string",
"msg": "string"
}