{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950276,-0.311410,0.000000,0.000000,0.173721,-0.530114,0.829940,0.000000,-0.257909,0.787017,0.560434,0.000000,-1646712.548251,5024989.323696,3554336.720482,1],    "boundingVolume": {    "region": [1.887423,0.594852,1.887522,0.594969,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452300.b3dm"}}}