{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897642,-0.440726,0.000000,0.000000,0.285530,-0.581549,0.761757,0.000000,-0.334777,0.681852,0.650386,0.000000,-2138284.910852,4355116.303394,4126327.741469,1],    "boundingVolume": {    "region": [2.027128,0.707979,2.027280,0.708206,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1797089.b3dm"}}}