{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897944,-0.440110,0.000000,0.000000,0.282551,-0.576479,0.766705,0.000000,-0.336499,0.686547,0.644532,0.000000,-2149224.513677,4384995.244722,4089082.280445,1],    "boundingVolume": {    "region": [2.026455,0.700376,2.026581,0.700445,0.000000,8.876187]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_852816.b3dm"}}}