{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949135,-0.314870,0.000000,0.000000,0.175939,-0.530346,0.829324,0.000000,-0.260580,0.785484,0.561350,0.000000,-1663770.908083,5015214.467111,3560154.589479,1],    "boundingVolume": {    "region": [1.891048,0.595963,1.891185,0.596069,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360475.b3dm"}}}