How can i get Color data from "AppendedData" format in vtp files

user-appendedData.vtp

I cant find colors dataArray in this file, but vtk.js can loaded this file with colors dataArray. And Mesh_Labeler can loaded this file with colors dataArray also.

How can i get Color data from “AppendedData” format in vtp files

Where in this file is the color data?

Help me , pls!