{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950354,-0.311170,0.000000,0.000000,0.173911,-0.531145,0.829241,0.000000,-0.257492,0.786413,0.561473,0.000000,-1644054.179215,5021151.289501,3560940.654537,1],    "boundingVolume": {    "region": [1.887145,0.596073,1.887297,0.596258,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431766.b3dm"}}}