{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942623,-0.333858,0.000000,0.000000,0.187052,-0.528129,0.828306,0.000000,-0.275952,0.779129,0.562858,0.000000,-1761926.937752,4974668.916371,3569738.450163,1],    "boundingVolume": {    "region": [1.911128,0.597808,1.911252,0.597870,0.000000,8.375886]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/18_1250643.b3dm"}}}