{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948995,-0.315291,0.000000,0.000000,0.176054,-0.529904,0.829582,0.000000,-0.261010,0.785615,0.560967,0.000000,-1666513.774544,5016043.658301,3557719.097493,1],    "boundingVolume": {    "region": [1.891491,0.595500,1.891628,0.595606,0.000000,8.694383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1070960.b3dm"}}}