{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896931,-0.442170,0.000000,0.000000,0.282358,-0.572756,0.769562,0.000000,-0.339343,0.688348,0.641111,0.000000,-2167359.638932,4396431.206007,4067319.064679,1],    "boundingVolume": {    "region": [2.028722,0.695889,2.028905,0.696001,0.000000,51.727652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_448790.b3dm"}}}