{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897914,-0.440171,0.000000,0.000000,0.282515,-0.576307,0.766848,0.000000,-0.336608,0.686653,0.644362,0.000000,-2149922.779422,4385668.673083,4088000.143236,1],    "boundingVolume": {    "region": [2.026522,0.700154,2.026649,0.700223,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883560.b3dm"}}}