{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948708,-0.316153,0.000000,0.000000,0.176437,-0.529450,0.829791,0.000000,-0.261790,0.785576,0.560656,0.000000,-1671493.918706,5015793.564307,3555748.136412,1],    "boundingVolume": {    "region": [1.892420,0.595067,1.892516,0.595290,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1073959.b3dm"}}}