{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949293,-0.314394,0.000000,0.000000,0.175767,-0.530717,0.829123,0.000000,-0.260122,0.785422,0.561648,0.000000,-1660850.107994,5014829.003107,3562048.088807,1],    "boundingVolume": {    "region": [1.890565,0.596335,1.890664,0.596417,0.000000,8.719073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1417081.b3dm"}}}