{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949126,-0.314897,0.000000,0.000000,0.175952,-0.530335,0.829328,0.000000,-0.260603,0.785480,0.561343,0.000000,-1663917.836600,5015194.616725,3560114.157762,1],    "boundingVolume": {    "region": [1.891075,0.595955,1.891213,0.596061,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360573.b3dm"}}}