{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899139,-0.437663,0.000000,0.000000,0.282736,-0.580856,0.763326,0.000000,-0.333140,0.684408,0.648540,0.000000,-2127812.941163,4371404.829939,4114579.613067,1],    "boundingVolume": {    "region": [2.023711,0.705605,2.023876,0.705724,0.000000,42.261324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1828429.b3dm"}}}