{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950187,-0.311680,0.000000,0.000000,0.174301,-0.531373,0.829013,0.000000,-0.257842,0.786057,0.561812,0.000000,-1646293.319776,5018882.717338,3563089.134811,1],    "boundingVolume": {    "region": [1.887681,0.596481,1.887833,0.596667,0.000000,8.803817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1398884.b3dm"}}}