{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944307,-0.329066,0.000000,0.000000,0.183951,-0.527876,0.829162,0.000000,-0.272274,0.781334,0.561591,0.000000,-1738438.538622,4988724.106058,3561685.032417,1],    "boundingVolume": {    "region": [1.906053,0.596270,1.906168,0.596344,0.000000,8.778190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_851981.b3dm"}}}