{
"asset": {
"version": "1.0"
},
"geometricError": 1000000,
"root": {
"boundingVolume": {
"box": [
0, 0, 10,
100, 0, 0,
0, 100, 0,
0, 0, 10
]
"refine": "REPLACE",
"geometricError": 50000
}