Export-PnPPowerApp throws an error - 400 bad request

[ravishan459]

Would appreciate any help regarding the below issue

Trying to export a PowerApp using export-pnppowerapp cmdlet.
Running the command from PShellv 7.5.0
$azuremanagementurl = https://management.azure.com/

Using
$pnpconnection = connect-pnponline -url $azuremanagementurl clientid and thumbprint (valid till 2026 and azure app has azure management api,
Powerapps service API permissions)
When providing a connection
export-pnppowerapp -environment -identity connection $pnpconnection and also tried using "https://management.azure.com/.default" but no luck
It thorws an error - 400 bad request