{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949535,-0.313662,0.000000,0.000000,0.175049,-0.529919,0.829785,0.000000,-0.259726,0.786256,0.560664,0.000000,-1658310.938760,5020132.787096,3555796.831381,1],    "boundingVolume": {    "region": [1.889762,0.595055,1.889924,0.595320,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369557.b3dm"}}}