Need REST API to update supplier Site remittance email

Summary:

We are trying to update the supplier site remittance email, but not able to find the field in Update one Supplier API.

/fscmRestApi/resources/11.13.18.05/suppliers/{SupplierId}/child/sites/{SupplierSiteId}

Please provide the appropriate API with which we can update the supplier site remittance email.

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Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):