{
	"materials": {
		"metal": {
			"reflectivity": 1.0
		},
		"plastic": {
			"reflectivity": 0.5
		}
	},
	"entities": [
		{
			"name": "hero",
			"material": "metal"
		},
		{
			"name": "monster",
			"material": "plastic"
		}
	]
}