Register or update a receiving account for the application

curl --location --globoff 'https://api-sandbox.klavi.ai/payment/management/v1/merchants/{appId}/accounts/{appId}' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--data '{
  "ispb": "String",
  "issuer": "String",
  "number": "String",
  "accountType": "String",
  "proxy": "String",
  "holder": {
    "identifier": "",
    "name": "",
    "identifierType": ""
  }
}'