curl --request POST \
--url https://example.com/msapi/productoffermanagementms/v1/product/submitchange \
--header 'accept: application/json' \
--header 'authorization: Basic bTIzOTgwQGlkcC5hdHQuY29tOmlkcEs4c3J2Y3NBdXRoMjAyMW5wISE=' \
--header 'content-type: application/json' \
--data '
{
"accountNumber": "552321458441",
"productType": "BROADBAND",
"mode": "AutoBillPay",
"reasonCode": "FMS-ABPENR",
"intent": "Optin",
"tenderType": "CreditCard",
"browserId": "OL_AE_20210914",
"requestedDate": "2025-12-19T23:59:59Z"
}
'