{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949414,-0.314026,0.000000,0.000000,0.175396,-0.530285,0.829478,0.000000,-0.259930,0.785863,0.561121,0.000000,-1659619.966525,5017629.562119,3558698.566481,1],    "boundingVolume": {    "region": [1.890178,0.595698,1.890277,0.595780,0.000000,8.779541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1364778.b3dm"}}}