Make a practice in blender to build textures and use them in AssetForge, I share the texture and images of how it looks.
To use it in unity I had to create a new material:
Link Textures: https://drive.google.com/file/d/13aGvElVxXl6JjDtE1F_oC10tNTornNEZ/view?usp=shari...
you can use and modify this texture as you like!!