{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949045,-0.315140,0.000000,0.000000,0.176094,-0.530307,0.829316,0.000000,-0.260801,0.785402,0.561362,0.000000,-1665178.934128,5014693.796686,3560229.226864,1],    "boundingVolume": {    "region": [1.891332,0.595977,1.891469,0.596083,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373546.b3dm"}}}