{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950732,-0.310014,0.000000,0.000000,0.173536,-0.532189,0.828650,0.000000,-0.256351,0.786160,0.562350,0.000000,-1636772.580578,5019550.299269,3566510.274046,1],    "boundingVolume": {    "region": [1.885922,0.597140,1.886087,0.597309,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383511.b3dm"}}}