{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949276,-0.314443,0.000000,0.000000,0.175688,-0.530387,0.829351,0.000000,-0.260235,0.785627,0.561310,0.000000,-1661564.900779,5016127.315932,3559900.491668,1],    "boundingVolume": {    "region": [1.890597,0.595914,1.890734,0.596021,0.000000,8.781144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1361244.b3dm"}}}