{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949310,-0.314343,0.000000,0.000000,0.175418,-0.529758,0.829810,0.000000,-0.260297,0.786093,0.560627,0.000000,-1661960.381569,5019093.410100,3555561.807999,1],    "boundingVolume": {    "region": [1.890479,0.595010,1.890641,0.595276,0.000000,10.265112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1369921.b3dm"}}}