{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948711,-0.316144,0.000000,0.000000,0.176432,-0.529450,0.829792,0.000000,-0.261783,0.785580,0.560655,0.000000,-1671447.706345,5015817.260117,3555736.512286,1],    "boundingVolume": {    "region": [1.892411,0.595065,1.892507,0.595288,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179226.b3dm"}}}