{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898360,-0.439259,0.000000,0.000000,0.283704,-0.580225,0.763447,0.000000,-0.334409,0.683924,0.648397,0.000000,-2135913.420149,4368312.103300,4113673.174639,1],    "boundingVolume": {    "region": [2.025504,0.705366,2.025636,0.705588,0.000000,26.077469]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1831930.b3dm"}}}