{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949044,-0.315143,0.000000,0.000000,0.176098,-0.530312,0.829312,0.000000,-0.260802,0.785397,0.561368,0.000000,-1665188.390736,5014662.466822,3560268.666764,1],    "boundingVolume": {    "region": [1.891335,0.595984,1.891473,0.596091,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373464.b3dm"}}}