{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950872,-0.309585,0.000000,0.000000,0.173129,-0.531756,0.829013,0.000000,-0.256109,0.786623,0.561812,0.000000,-1635226.019278,5022498.346672,3563090.758500,1],    "boundingVolume": {    "region": [1.885470,0.596490,1.885636,0.596659,0.000000,8.723724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386457.b3dm"}}}