{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949405,-0.314055,0.000000,0.000000,0.175493,-0.530527,0.829303,0.000000,-0.259898,0.785687,0.561381,0.000000,-1659417.722715,5016514.048100,3560353.991446,1],    "boundingVolume": {    "region": [1.890208,0.596013,1.890306,0.596095,0.000000,9.794685]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1359832.b3dm"}}}