{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950171,-0.311729,0.000000,0.000000,0.174262,-0.531162,0.829156,0.000000,-0.257928,0.786181,0.561599,0.000000,-1646837.289287,5019669.975680,3561737.607253,1],    "boundingVolume": {    "region": [1.887740,0.596213,1.887878,0.596421,0.000000,8.780362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1433216.b3dm"}}}