{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949329,-0.314285,0.000000,0.000000,0.175506,-0.530132,0.829553,0.000000,-0.260168,0.785863,0.561010,0.000000,-1661139.661698,5017630.701545,3557992.604022,1],    "boundingVolume": {    "region": [1.890431,0.595552,1.890569,0.595658,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366655.b3dm"}}}