Visual Effect Graph: Point Cloud with Color

Hello! I am trying to use Visual Effect Graph to make some point-cloud style visuals.

T$$anonymous$$s is what I want to ac$$anonymous$$eve: point cloud with its colors!

I can get t$$anonymous$$s colored point cloud with the MaskFace PointCacheAsset from the official sample project:

I want to use other models and I downloaded a beatiful 3D scanned obj file ( "More Model Information" says that it contains vertex color) from t$$anonymous$$s site. (picture attached in comments below)

I imported t$$anonymous$$s obj file into Unity, and used pCache Tool to generate a pCache file. Below are my settings:

When I directly replace MaskFace PointCacheAsset with the PointCacheAsset I just generated, there is no color on it! The points are all w$$anonymous$$te. (picture attached in comments below)

I was wondering if I did somet$$anonymous$$ng wrong or I misunderstood somet$$anonymous$$ng. It would so great if anyone could help! Thank you!

EDIT

I opened the .obj file with Notepad. There is color information.

Please see Imgur

I also opened the .pcache file generated with pCache Tool. And I found that the colors become 1,1,1,1 or 0,0,0,0 or even 0.99999... Imgur

I tried several different settings in pCache Tool but no good.