curl --location --request POST '/transaction//cancel' \
--header 'accept: text/plain' \
--header 'X-MerchantId: 29ef6fa6-0d2b-466c-9604-0363a30436cc' \
--header 'X-Secret: iStHENoXjHdy78A4tGG3M6TzqLvtRe335bbIGGYYx1SfIzHzQyggz3ZA903OH1TwODhQEZv6HxV9GF6IryaMuMVlFYG03sZsJbpg'{
"transactionId": "71f1375c-ba7a-4e9d-84a5-452f3f9cf4c3",
"accepted": false,
"manualControlRequired": true,
"message": "Возврат в процессе"
}