{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943972,-0.330024,0.000000,0.000000,0.184386,-0.527401,0.829368,0.000000,-0.273136,0.781253,0.561285,0.000000,-1743935.649220,4988200.104148,3559744.141675,1],    "boundingVolume": {    "region": [1.907078,0.595880,1.907173,0.595995,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298183.b3dm"}}}