{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943220,-0.332168,0.000000,0.000000,0.186412,-0.529334,0.827681,0.000000,-0.274346,0.779028,0.563782,0.000000,-1751678.935073,4974042.870726,3575609.829138,1],    "boundingVolume": {    "region": [1.909325,0.598908,1.909470,0.599006,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_657828.b3dm"}}}