{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898341,-0.439299,0.000000,0.000000,0.283732,-0.580216,0.763443,0.000000,-0.334438,0.683906,0.648401,0.000000,-2136099.595978,4368196.163858,4113699.441092,1],    "boundingVolume": {    "region": [2.025549,0.705371,2.025681,0.705594,0.000000,26.077469]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1831940.b3dm"}}}