{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858282,-0.513179,0.000000,0.000000,0.262794,-0.439518,0.858931,0.000000,-0.440006,0.735901,0.514630,0.000000,-2808910.412262,4697845.286999,3263301.050149,1],    "boundingVolume": {    "region": [2.109599,0.540513,2.109763,0.540639,0.000000,15.085900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_405085.b3dm"}}}