{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950737,-0.309998,0.000000,0.000000,0.173528,-0.532194,0.828648,0.000000,-0.256337,0.786163,0.562352,0.000000,-1636686.825640,5019569.134532,3566523.033342,1],    "boundingVolume": {    "region": [1.885905,0.597143,1.886070,0.597312,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383519.b3dm"}}}