{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858204,-0.513309,0.000000,0.000000,0.262606,-0.439052,0.859227,0.000000,-0.440270,0.736091,0.514133,0.000000,-2810591.421692,4699047.125281,3260143.034379,1],    "boundingVolume": {    "region": [2.109750,0.539934,2.109914,0.540059,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_339742.b3dm"}}}