{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949589,-0.313496,0.000000,0.000000,0.175071,-0.530295,0.829540,0.000000,-0.259511,0.786067,0.561029,0.000000,-1656944.209332,5018931.096989,3558113.954613,1],    "boundingVolume": {    "region": [1.889620,0.595587,1.889719,0.595669,0.000000,8.572580]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1366350.b3dm"}}}