{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858254,-0.513226,0.000000,0.000000,0.262495,-0.438963,0.859307,0.000000,-0.440240,0.736202,0.513999,0.000000,-2810399.908038,4699756.151377,3259291.718954,1],    "boundingVolume": {    "region": [2.109653,0.539777,2.109818,0.539903,0.000000,11.593633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_314616.b3dm"}}}