{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858170,-0.513366,0.000000,0.000000,0.262654,-0.439065,0.859206,0.000000,-0.440309,0.736043,0.514169,0.000000,-2810837.229350,4698740.320164,3260371.765929,1],    "boundingVolume": {    "region": [2.109817,0.539976,2.109981,0.540101,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_130297.b3dm"}}}