Find personal site ID Onedrive for business

Hi All,

I am troubleshooting one drive and I need to find out personal site ID. Does anyone know how to find this?

https://<serverurl>/personal/<useralias>/_api/SPFileSync/sync/<personalsiteid>/RootFolder

It should look like this. This is from this site (https://chentiangemalc.wordpress.com/2017/05/21/case-of-the-onedrive-for-business-sorry-cant-add-your-folder-right-now/)

https://mycompany-my.sharepoint.com/personal/malcolm_mccaffery_mycompany_com_au/_api/SPFileSync/sync/a5dbb123de934919a713088f2308a099/RootFolder