{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949419,-0.314013,0.000000,0.000000,0.175459,-0.530502,0.829326,0.000000,-0.259871,0.785721,0.561347,0.000000,-1659243.321541,5016727.291707,3560136.267960,1],    "boundingVolume": {    "region": [1.890164,0.595972,1.890262,0.596053,0.000000,13.484208]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1360500.b3dm"}}}