{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949043,-0.315147,0.000000,0.000000,0.176080,-0.530253,0.829354,0.000000,-0.260819,0.785436,0.561306,0.000000,-1665293.752074,5014909.617524,3559873.902673,1],    "boundingVolume": {    "region": [1.891339,0.595909,1.891477,0.596016,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1374140.b3dm"}}}