{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950560,-0.310542,0.000000,0.000000,0.173660,-0.531567,0.829023,0.000000,-0.256904,0.786375,0.561796,0.000000,-1640303.704261,5020911.911452,3562993.340382,1],    "boundingVolume": {    "region": [1.886511,0.596506,1.886609,0.596605,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390964.b3dm"}}}