Is it possible to update the default expense template for all users

Summary:

The client is implementing expenses and has multiple expense templates for different parts of the business. As part of the employee migration they require the approriate default template to be assumed to the employees.

Content (required):

The client is implementing expenses and has multiple expense templates for different parts of the business. As part of the employee migration they require the approriate default template to be assumed to the employees.

It would seem that the default expense template id is held in the table exm_preferences, and I had hoped that the REST API /fscmRestApi/resources/11.13.18.05/expensePreferences, could be used but there does not seem to be any documented method of updating the template.