{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944529,-0.328427,0.000000,0.000000,0.183036,-0.526396,0.830305,0.000000,-0.272124,0.782605,0.559891,0.000000,-1737466.478576,4996807.266307,3550884.695949,1],    "boundingVolume": {    "region": [1.905352,0.594120,1.905516,0.594389,0.000000,8.721617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_950921.b3dm"}}}