{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950787,-0.309846,0.000000,0.000000,0.172990,-0.530834,0.829632,0.000000,-0.256518,0.787146,0.560892,0.000000,-1637833.778178,5025819.500565,3557244.570782,1],    "boundingVolume": {    "region": [1.885770,0.595406,1.885885,0.595520,0.000000,8.769996]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1448759.b3dm"}}}