{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897766,-0.440472,0.000000,0.000000,0.282797,-0.576394,0.766678,0.000000,-0.336763,0.686387,0.644564,0.000000,-2150912.704336,4383973.563387,4089288.710581,1],    "boundingVolume": {    "region": [2.026857,0.700419,2.026984,0.700488,0.000000,18.654940]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_393992.b3dm"}}}