{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858171,-0.513364,0.000000,0.000000,0.262987,-0.439625,0.858818,0.000000,-0.440106,0.735708,0.514821,0.000000,-2809547.718299,4696613.719522,3264516.732049,1],    "boundingVolume": {    "region": [2.109814,0.540737,2.109979,0.540862,0.000000,77.369233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_439873.b3dm"}}}