I need help in understanding how to properly import .obj (composed of multiple meshes) and apply materials and textures in Unity. It can progress to a paid job. I need to have a properly designed realistic humanoid 3D model, rigged with an idle animation and T-Pose that can be imported into Unity and to be bind to HTC vive trackers for full body motion tracking and to record Mocap into .bvh or .fbx formats.
A few Model formats are also desire like: .fbx, .dae (Collada), .3ds, .dxf, .obj, .vrm, https://vrm.dev/en/how_to_make_vrm/
Here is what I want to start from: