{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950351,-0.311181,0.000000,0.000000,0.174049,-0.531549,0.828952,0.000000,-0.257410,0.786134,0.561901,0.000000,-1643534.085367,5019379.777942,3563658.877840,1],    "boundingVolume": {    "region": [1.887156,0.596590,1.887307,0.596775,0.000000,8.519811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328099.b3dm"}}}