{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948005,-0.318257,0.000000,0.000000,0.116837,-0.348027,0.930175,0.000000,-0.295765,0.881008,0.369253,0.000000,-1887292.679764,5621755.841003,2340449.153353,1],    "boundingVolume": {    "region": [1.894634,0.378166,1.894739,0.378245,0.000000,39.133907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/17_13496.b3dm"}}}