{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949324,-0.314299,0.000000,0.000000,0.175509,-0.530117,0.829562,0.000000,-0.260182,0.785868,0.560997,0.000000,-1661227.009788,5017659.478990,3557911.782757,1],    "boundingVolume": {    "region": [1.890445,0.595536,1.890583,0.595643,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366798.b3dm"}}}