{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949288,-0.314409,0.000000,0.000000,0.175721,-0.530551,0.829240,0.000000,-0.260171,0.785529,0.561475,0.000000,-1661161.090143,5015509.795286,3560951.776357,1],    "boundingVolume": {    "region": [1.890561,0.596114,1.890699,0.596221,0.000000,8.752069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/11_1445429.b3dm"}}}