{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858254,-0.513225,0.000000,0.000000,0.262615,-0.439166,0.859166,0.000000,-0.440167,0.736081,0.514235,0.000000,-2809931.497165,4698986.346050,3260795.037511,1],    "boundingVolume": {    "region": [2.109652,0.540053,2.109816,0.540179,0.000000,89.490900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_128551.b3dm"}}}