{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315019,0.000000,0.000000,0.176031,-0.530343,0.829307,0.000000,-0.260698,0.785426,0.561376,0.000000,-1664521.924934,5014848.263508,3560318.284455,1],    "boundingVolume": {    "region": [1.891204,0.595994,1.891342,0.596100,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373385.b3dm"}}}