{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949936,-0.312445,0.000000,0.000000,0.174484,-0.530488,0.829541,0.000000,-0.258641,0.786354,0.561028,0.000000,-1651387.472902,5020766.172668,3558108.360520,1],    "boundingVolume": {    "region": [1.888480,0.595561,1.888644,0.595693,0.000000,7.938776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1354094.b3dm"}}}