{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944112,-0.329625,0.000000,0.000000,0.184156,-0.527459,0.829382,0.000000,-0.272810,0.781382,0.561264,0.000000,-1741855.112006,4989022.682128,3559610.936482,1],    "boundingVolume": {    "region": [1.906655,0.595855,1.906750,0.595970,0.000000,8.793250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1296999.b3dm"}}}