{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949104,-0.314963,0.000000,0.000000,0.175985,-0.530311,0.829337,0.000000,-0.260660,0.785470,0.561331,0.000000,-1664284.473493,5015128.515524,3560036.421334,1],    "boundingVolume": {    "region": [1.891145,0.595940,1.891282,0.596047,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360847.b3dm"}}}