{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950604,-0.310406,0.000000,0.000000,0.173286,-0.530680,0.829669,0.000000,-0.256993,0.787030,0.560838,0.000000,-1640864.980993,5025076.339398,3556899.843842,1],    "boundingVolume": {    "region": [1.886358,0.595340,1.886474,0.595454,0.000000,8.775262]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1450861.b3dm"}}}