curl --request POST \
  --url https://api.crypto-cash.world/merchant/api/v1/balance/retrieve/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": "<string>",
  "signature": "<string>"
}
'

{
  "code": 200,
  "data": {
    "item": {
      "accountAmount": "15.000",
      "companyAmount": "20.000"
    }
  }
}