{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892731,-0.450589,0.000000,0.000000,0.290461,-0.575478,0.764498,0.000000,-0.343511,0.680582,0.647154,0.000000,-2194037.086455,4346943.209049,4105765.193017,1],    "boundingVolume": {    "region": [2.038169,0.703811,2.038274,0.703880,0.000000,33.932177]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_2008866.b3dm"}}}