o3de-atom-sampleviewer/Materials/Types/MinimalMultilayerExample.material

{
    "materialType": "Materials/Types/MinimalMultilayerPBR.materialtype",
    "materialTypeVersion": 1,
    "propertyValues": {
        "blend.texture": "TestData/Textures/checker8x8_512.png",
        "layer1.baseColor.color": [
            1.0,
            0.7495536804199219,
            0.3466697037220001,
            1.0
        ],
        "layer1.baseColor.texture": "Textures/bricks_1k_basecolor.png",
        "layer1.metallic": 1.0,
        "layer1.roughness": 0.23000000417232513,
        "layer2.baseColor.color": [
            0.34021514654159546,
            0.14996567368507385,
            0.42177462577819824,
            1.0
        ],
        "layer2.baseColor.texture": "TestData/Textures/cc0/Concrete019_1K_Color.jpg",
        "layer2.roughness": 0.8399999737739563
    }
}