{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951323,-0.308197,0.000000,0.000000,0.113870,-0.351488,0.929242,0.000000,-0.286125,0.883194,0.371620,0.000000,-1825789.143926,5635735.720215,2355465.197985,1],    "boundingVolume": {    "region": [1.884015,0.380706,1.884171,0.380800,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42876.b3dm"}}}