loft-arch-vis-sample/Gems/ArchVis/Assets/Props/WallArt_grid/wallArt_grid_wallArt_gridMAT.material

{
    "materialType": "Materials/Types/BasePBR.materialtype",
    "materialTypeVersion": 1,
    "properties": {
        "baseColor": {
            "color": [
                0.5,
                0.5,
                0.5,
                1.0
            ],
            "textureBlendMode": "Lerp",
            "textureMap": "Props/WallArt_grid/textures/wallArt_grid_BaseColor.png"
        },
        "metallic": {
            "textureMap": "Props/WallArt_grid/textures/wallArt_grid_Metallic.png"
        },
        "normal": {
            "textureMap": "Props/WallArt_grid/textures/wallArt_grid_Normal.png"
        },
        "roughness": {
            "factor": 0.33000001311302187,
            "textureMap": "Props/WallArt_grid/textures/wallArt_grid_Roughness.png"
        }
    }
}