{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950463,-0.310837,0.000000,0.000000,0.173802,-0.531444,0.829072,0.000000,-0.257163,0.786341,0.561725,0.000000,-1641955.336517,5020698.408596,3562536.499437,1],    "boundingVolume": {    "region": [1.886821,0.596419,1.886919,0.596518,0.000000,13.795383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1389427.b3dm"}}}