{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898361,-0.439257,0.000000,0.000000,0.283701,-0.580221,0.763451,0.000000,-0.334409,0.683928,0.648392,0.000000,-2135917.179256,4368338.474154,4113643.419935,1],    "boundingVolume": {    "region": [2.025502,0.705360,2.025634,0.705582,0.000000,26.077469]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1831900.b3dm"}}}