{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950056,-0.312080,0.000000,0.000000,0.174020,-0.529763,0.830101,0.000000,-0.258515,0.786990,0.560194,0.000000,-1650579.076291,5024809.579457,3552807.354747,1],    "boundingVolume": {    "region": [1.888096,0.594554,1.888260,0.594685,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458723.b3dm"}}}