{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950268,-0.311434,0.000000,0.000000,0.173856,-0.530481,0.829677,0.000000,-0.257847,0.786759,0.560825,0.000000,-1646315.083660,5023351.051867,3556818.990769,1],    "boundingVolume": {    "region": [1.887448,0.595323,1.887547,0.595440,0.000000,8.805755]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1454541.b3dm"}}}