{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950585,-0.310464,0.000000,0.000000,0.173616,-0.531581,0.829023,0.000000,-0.256840,0.786396,0.561796,0.000000,-1639892.011255,5021047.249028,3562992.138715,1],    "boundingVolume": {    "region": [1.886429,0.596506,1.886527,0.596605,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390956.b3dm"}}}