{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949222,-0.314607,0.000000,0.000000,0.175464,-0.529404,0.830026,0.000000,-0.260585,0.786227,0.560306,0.000000,-1663793.825683,5019941.637921,3553520.032586,1],    "boundingVolume": {    "region": [1.890792,0.594660,1.890886,0.594850,0.000000,34.242190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1383200.b3dm"}}}