{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897618,-0.440775,0.000000,0.000000,0.282986,-0.576288,0.766689,0.000000,-0.336999,0.686283,0.644552,0.000000,-2152422.878246,4383306.736892,4089209.458617,1],    "boundingVolume": {    "region": [2.027195,0.700403,2.027322,0.700471,0.000000,13.888175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_855211.b3dm"}}}