{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949079,-0.315038,0.000000,0.000000,0.176042,-0.530339,0.829307,0.000000,-0.260714,0.785421,0.561376,0.000000,-1664623.437369,5014813.556158,3560319.700811,1],    "boundingVolume": {    "region": [1.891225,0.595994,1.891362,0.596101,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373382.b3dm"}}}