{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950580,-0.310479,0.000000,0.000000,0.173688,-0.531773,0.828885,0.000000,-0.256808,0.786259,0.562002,0.000000,-1639691.151142,5020179.504936,3564298.275085,1],    "boundingVolume": {    "region": [1.886444,0.596755,1.886542,0.596853,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395690.b3dm"}}}