{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943246,-0.332094,0.000000,0.000000,0.186402,-0.529436,0.827618,0.000000,-0.274263,0.778990,0.563875,0.000000,-1751154.329710,4973799.332478,3576201.534512,1],    "boundingVolume": {    "region": [1.909247,0.599021,1.909392,0.599119,0.000000,8.413566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_544506.b3dm"}}}