{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949409,-0.314041,0.000000,0.000000,0.175083,-0.529311,0.830166,0.000000,-0.260160,0.786516,0.560097,0.000000,-1661082.972014,5021784.206004,3552193.524847,1],    "boundingVolume": {    "region": [1.890162,0.594370,1.890324,0.594636,0.000000,8.772119]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/10_1461721.b3dm"}}}