{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951315,-0.308220,0.000000,0.000000,0.113885,-0.351503,0.929234,0.000000,-0.286145,0.883179,0.371639,0.000000,-1825914.177383,5635643.559410,2355587.951189,1],    "boundingVolume": {    "region": [1.884040,0.380727,1.884196,0.380821,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42987.b3dm"}}}