{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949303,-0.314362,0.000000,0.000000,0.175554,-0.530135,0.829541,0.000000,-0.260228,0.785830,0.561028,0.000000,-1661520.185474,5017421.477137,3558109.189687,1],    "boundingVolume": {    "region": [1.890512,0.595574,1.890649,0.595680,0.000000,8.788001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1366357.b3dm"}}}