{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950111,-0.311911,0.000000,0.000000,0.173907,-0.529738,0.830141,0.000000,-0.258387,0.787073,0.560135,0.000000,-1649762.099981,5025341.954403,3552436.307592,1],    "boundingVolume": {    "region": [1.887918,0.594484,1.888082,0.594615,0.000000,8.766006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1458384.b3dm"}}}