{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871380,-0.490609,0.000000,0.000000,0.211830,-0.376236,0.901984,0.000000,-0.441965,0.784981,0.434133,0.000000,-2820692.323911,5009879.406729,2752160.456247,1],    "boundingVolume": {    "region": [2.083529,0.449035,2.083641,0.449116,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_224777.b3dm"}}}