{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944022,-0.329882,0.000000,0.000000,0.184322,-0.527475,0.829334,0.000000,-0.273006,0.781262,0.561335,0.000000,-1743111.181707,4988261.230124,3560060.157694,1],    "boundingVolume": {    "region": [1.906927,0.595940,1.907022,0.596055,0.000000,8.007474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1266883.b3dm"}}}