{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949324,-0.314298,0.000000,0.000000,0.175520,-0.530150,0.829538,0.000000,-0.260175,0.785845,0.561031,0.000000,-1661180.143730,5017518.971872,3558130.336914,1],    "boundingVolume": {    "region": [1.890445,0.595578,1.890583,0.595684,0.000000,8.789943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366296.b3dm"}}}