{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899074,-0.437798,0.000000,0.000000,0.282726,-0.580615,0.763513,0.000000,-0.333326,0.684527,0.648319,0.000000,-2128993.188610,4372161.891437,4113173.936999,1],    "boundingVolume": {    "region": [2.023861,0.705314,2.024026,0.705433,0.000000,45.063406]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1843693.b3dm"}}}