{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897769,-0.440466,0.000000,0.000000,0.282822,-0.576456,0.766623,0.000000,-0.336734,0.686340,0.644631,0.000000,-2150726.480431,4383669.234807,4089710.044236,1],    "boundingVolume": {    "region": [2.026850,0.700505,2.026977,0.700574,0.000000,34.932402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_393995.b3dm"}}}