{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949226,-0.314594,0.000000,0.000000,0.175714,-0.530184,0.829476,0.000000,-0.260399,0.785704,0.561125,0.000000,-1662616.165866,5016619.419901,3558723.957535,1],    "boundingVolume": {    "region": [1.890757,0.595691,1.890894,0.595797,0.000000,6.121026]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1364674.b3dm"}}}