Authorization: Bearer ********************
{ "fsourcesys": "string", "fnumber": "string" }
curl --location --request POST 'http://10.36.8.67/stage-api/collectandpay/out/interface/cancelBackReceivable' \ --header 'Content-Type: application/json' \ --data-raw '{ "fsourcesys": "string", "fnumber": "string" }'
{}