{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950226,-0.311560,0.000000,0.000000,0.173729,-0.529856,0.830103,0.000000,-0.258085,0.787133,0.560192,0.000000,-1647832.056571,5025721.105264,3552793.303188,1],    "boundingVolume": {    "region": [1.887549,0.594551,1.887713,0.594683,0.000000,8.779702]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1375728.b3dm"}}}