{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950028,-0.312165,0.000000,0.000000,0.174232,-0.530249,0.829746,0.000000,-0.258474,0.786627,0.560722,0.000000,-1650321.229050,5022502.515119,3556165.090553,1],    "boundingVolume": {    "region": [1.888186,0.595192,1.888350,0.595323,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456712.b3dm"}}}