{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950483,-0.310777,0.000000,0.000000,0.173652,-0.531099,0.829324,0.000000,-0.257192,0.786599,0.561350,0.000000,-1642141.607493,5022338.693344,3560153.860711,1],    "boundingVolume": {    "region": [1.886749,0.595959,1.886865,0.596073,0.000000,8.564115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/15_1426667.b3dm"}}}