{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314922,0.000000,0.000000,0.175899,-0.530128,0.829472,0.000000,-0.260670,0.785611,0.561130,0.000000,-1664343.371188,5016023.052541,3558757.004770,1],    "boundingVolume": {    "region": [1.891102,0.595697,1.891240,0.595803,0.000000,8.619018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1364524.b3dm"}}}