{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950765,-0.309913,0.000000,0.000000,0.173271,-0.531569,0.829103,0.000000,-0.256409,0.786621,0.561678,0.000000,-1637138.896410,5022481.906558,3562241.157019,1],    "boundingVolume": {    "region": [1.885816,0.596328,1.885981,0.596497,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1385883.b3dm"}}}