{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949180,-0.314734,0.000000,0.000000,0.175934,-0.530585,0.829173,0.000000,-0.260419,0.785376,0.561575,0.000000,-1662742.436603,5014533.858719,3561583.868861,1],    "boundingVolume": {    "region": [1.890904,0.596234,1.891041,0.596341,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1447615.b3dm"}}}