{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951306,-0.308247,0.000000,0.000000,0.113893,-0.351495,0.929236,0.000000,-0.286170,0.883173,0.371634,0.000000,-1826076.330621,5635605.830633,2355552.755014,1],    "boundingVolume": {    "region": [1.884068,0.380721,1.884224,0.380815,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42959.b3dm"}}}