{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894710,-0.446648,0.000000,0.000000,0.284501,-0.569903,0.770888,0.000000,-0.343375,0.687837,0.639511,0.000000,-2193095.986690,4393136.203147,4057139.534089,1],    "boundingVolume": {    "region": [2.033745,0.693799,2.033878,0.693924,0.000000,44.884459]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_984524.b3dm"}}}