{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950856,-0.309635,0.000000,0.000000,0.173117,-0.531624,0.829100,0.000000,-0.256177,0.786693,0.561682,0.000000,-1635660.965996,5022944.721168,3562267.340305,1],    "boundingVolume": {    "region": [1.885522,0.596333,1.885688,0.596502,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1385892.b3dm"}}}