Sample payload for the RTV creation against the PO receipt

We are trying to create Return to Vendor agsint the PO receipt via API. We used below payload but getting error.

Payload:

POST /fscmRestApi/resources/11.13.18.05/receivingReturns

curl -u <username>:<password> -X POST -H "Content-Type: application/json" "https://<your-instance>.fa.<region>.oraclecloud.com/fscmRestApi/resources/11.13.18.05/receivingReturns" -d '{
"OrganizationCode": "69321982114",
"SupplierId": 100000987654321,
"SupplierSiteId": 300000111222333,
"ReturnTypeCode": "UNREFERENCED",
"lines": [
{
"ReceiptNumber": "173",
"ReceiptLineNumber": "1",
"ReturnedQuantity": 1,
"UnitOfMeasure": "Each",
"Subinventory": "FG",
"RequestedQuantity": 1,
"ReturnedByName": "Shobhit Juyal",
"lotSerials": [
{
"LotNumber": "B00000541",
"ReturnedQuantity": 1
}
]
}
]
}'