{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950753,-0.309950,0.000000,0.000000,0.173307,-0.531610,0.829069,0.000000,-0.256428,0.786579,0.561728,0.000000,-1637263.577346,5022215.606856,3562557.161839,1],    "boundingVolume": {    "region": [1.885854,0.596388,1.886019,0.596557,0.000000,8.812708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1386073.b3dm"}}}