{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314974,0.000000,0.000000,0.175982,-0.530281,0.829357,0.000000,-0.260676,0.785486,0.561301,0.000000,-1664386.310318,5015230.508618,3559846.405454,1],    "boundingVolume": {    "region": [1.891157,0.595904,1.891295,0.596011,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1361365.b3dm"}}}