Sending data to a remote
command failed with the following error message: The current deserialized object size
of the data received from the remote client computer exceeded the allowed maximum
object size. The current deserialized object size is 10572800. The allowed maximum
object size is 10485760. For more information, see the aboutRemoteTroubleshooting
Help topic.

This I get for files that can be imported fine in the UI
Github issue here: https://github.com/MicrosoftDocs/office-docs-powershell/issues/7266

We believe this is a bug that is produced on the server side. Please investigate

Thanks,
David