{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852974,-0.521954,0.000000,0.000000,0.269293,-0.440076,0.856630,0.000000,-0.446319,0.729371,0.518476,0.000000,-2849247.895682,4656218.645495,3287734.386237,1],    "boundingVolume": {    "region": [2.119891,0.545026,2.119983,0.545110,0.000000,26.077566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_3409.b3dm"}}}