{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896479,-0.443086,0.000000,0.000000,0.283029,-0.572643,0.769399,0.000000,-0.339973,0.687855,0.641306,0.000000,-2171384.681373,4393285.450750,4068562.749649,1],    "boundingVolume": {    "region": [2.029743,0.696143,2.029925,0.696256,0.000000,82.879141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_513729.b3dm"}}}