o3de-extras/Gems/ROS2SampleRobots/Assets/RosbotXL/Models/Materials/RosbotXL_Wheel_BlackGum.material

{
    "materialType": "@projectroot@/Cache/Intermediate Assets/materials/types/standardpbr_generated.materialtype",
    "materialTypeVersion": 5,
    "propertyValues": {
        "baseColor.color": [
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        ],
        "emissive.color": [
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            1.0
        ],
        "opacity.factor": 1.0,
        "roughness.factor": 0.5,
        "specularF0.factor": 0.44999998807907104
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}