{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950102,-0.311940,0.000000,0.000000,0.174382,-0.531131,0.829151,0.000000,-0.258100,0.786118,0.561607,0.000000,-1647939.620300,5019270.305186,3561790.640994,1],    "boundingVolume": {    "region": [1.887961,0.596223,1.888099,0.596431,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1397038.b3dm"}}}