{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949335,-0.314267,0.000000,0.000000,0.175548,-0.530293,0.829441,0.000000,-0.260117,0.785761,0.561176,0.000000,-1660816.486442,5016982.425289,3559050.352345,1],    "boundingVolume": {    "region": [1.890412,0.595753,1.890549,0.595859,0.000000,8.182809]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1363092.b3dm"}}}