{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949733,-0.313062,0.000000,0.000000,0.174972,-0.530812,0.829230,0.000000,-0.259054,0.785889,0.561489,0.000000,-1654027.046013,5017804.922906,3561038.660832,1],    "boundingVolume": {    "region": [1.889135,0.596100,1.889288,0.596268,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436300.b3dm"}}}