{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950024,-0.312176,0.000000,0.000000,0.174252,-0.530288,0.829717,0.000000,-0.258474,0.786596,0.560765,0.000000,-1650319.622492,5022307.450644,3556439.467663,1],    "boundingVolume": {    "region": [1.888197,0.595244,1.888361,0.595375,0.000000,8.816962]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1456813.b3dm"}}}