{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950739,-0.309994,0.000000,0.000000,0.173332,-0.531602,0.829069,0.000000,-0.256465,0.786567,0.561728,0.000000,-1637497.025636,5022139.297580,3562557.439288,1],    "boundingVolume": {    "region": [1.885900,0.596388,1.886065,0.596557,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386067.b3dm"}}}