{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950185,-0.311688,0.000000,0.000000,0.173993,-0.530422,0.829686,0.000000,-0.258060,0.786699,0.560812,0.000000,-1647675.134681,5022964.908526,3556735.114892,1],    "boundingVolume": {    "region": [1.887715,0.595308,1.887815,0.595424,0.000000,8.780947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1355664.b3dm"}}}