{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852930,-0.522025,0.000000,0.000000,0.269398,-0.440166,0.856550,0.000000,-0.446338,0.729265,0.518609,0.000000,-2849369.438354,4655545.549839,3288576.463391,1],    "boundingVolume": {    "region": [2.119974,0.545181,2.120066,0.545265,0.000000,93.281900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_5543.b3dm"}}}