{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950581,-0.310477,0.000000,0.000000,0.173618,-0.531564,0.829034,0.000000,-0.256853,0.786403,0.561781,0.000000,-1639976.608643,5021090.532780,3562892.872104,1],    "boundingVolume": {    "region": [1.886442,0.596487,1.886539,0.596586,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390507.b3dm"}}}