The older format (version `< 3.8.9`)

older files start with a # followed by the name of the scene

There is a data: section that contains the bakes

If neither # nor data: was found, the line contains voxels (see below)

The newer format is ini-based (at least up to 4.0.1)

newer files start with a ; and the line Voxel Builder file format (VBX)

There is a [project] section with key-value pairs like

name=The name
bgcolor=#6C6F7A
lightcolor=#CCCCCC

Then there is a [data] section voxels and bakes

Voxels are stored in the format x,y,z,color,visible; (color is in #RRGGBB)

bakes=data:application/octet-stream;base64,
[base64data]

where base64data is a base64 encoded glb file