{
  "ClientContractId": 123456,
  "AutopayStartDate": "2026-05-28T14:30:00Z",
  "AutopayEndDate": "2026-05-28T14:30:00Z",
  "ProductId": 123456,
  "ReplaceWithProductId": 123456,
  "Amount": 49.99,
  "OverwriteAllProductIDs": true
}