Yellowfin 9 Data format for Upload License endpoint

We are starting to explore Yellowfin 9 and upgrading our deployment to using Docker/Kubernetes. As part of that, we are exploring using automation to set up the development environments locally on our machines. Through the Docker instructions we have it running but the first thing that would need to be done is to upload the license file. I'm working with the REST API. I was successful in getting the Refresh Token and Access Token, but I've got a question on the expectation of the format on the Upload a new license endpoint: In the CURL example there is the --form with:

--form 'newLicence=Binary data would go here;type=application/octet-stream' \

$Header = @{
  "Authorization" = "YELLOWFIN ts=$ts, nonce=$uuid, token=$AccessToken"
  "Content-Type" = "multipart/form-data"
  "Accept" = "application/vnd.yellowfin.api-v1+json;"
  "cache-control" = "no-cache"
}
$LicenseContent = [System.IO.File]::ReadAlltext(".\license.lic")
$LicenseEncoded = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($LicenseContent))

$Parameters = @{
  Method = "POST"
  Uri = "http://localhost/api/rpc/license-management/upload-license"
  Headers = $Header
  Body = "newLicense=$LicenseEncoded;type=application/octet-stream"
}
$response = Invoke-RestMethod @Parameters

YF:2021-03-01 18:33:16.733: INFO (ErrorAction) - [37] [Background] [/api/rpc/license-management/upload-license] ErrorAction entered
YF:2021-03-01 18:33:16.734: INFO (ErrorAction) - [37] [Background] [/api/rpc/license-management/upload-license] ErrorAction exiting with action: success