{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949295,-0.314386,0.000000,0.000000,0.175630,-0.530319,0.829407,0.000000,-0.260206,0.785695,0.561227,0.000000,-1661379.586350,5016564.484813,3559374.461696,1],    "boundingVolume": {    "region": [1.890538,0.595814,1.890675,0.595921,0.000000,8.729292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1362076.b3dm"}}}