{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949328,-0.314286,0.000000,0.000000,0.175754,-0.530880,0.829022,0.000000,-0.260000,0.785355,0.561799,0.000000,-1660071.873520,5014400.228828,3563007.890739,1],    "boundingVolume": {    "region": [1.890450,0.596548,1.890551,0.596569,0.000000,8.752543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/7_1417737.b3dm"}}}