{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858207,-0.513303,0.000000,0.000000,0.262664,-0.439156,0.859156,0.000000,-0.440229,0.736032,0.514253,0.000000,-2810327.287532,4698673.631892,3260903.836615,1],    "boundingVolume": {    "region": [2.109743,0.540073,2.109908,0.540199,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129221.b3dm"}}}