{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896524,-0.442995,0.000000,0.000000,0.283549,-0.573840,0.768315,0.000000,-0.339421,0.686912,0.642608,0.000000,-2167870.358207,4387289.807073,4076842.292711,1],    "boundingVolume": {    "region": [2.029649,0.697823,2.029817,0.697972,0.000000,47.265181]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_505951.b3dm"}}}