{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949156,-0.314807,0.000000,0.000000,0.175779,-0.529981,0.829591,0.000000,-0.260612,0.785756,0.560953,0.000000,-1663974.582904,5016949.436081,3557631.021653,1],    "boundingVolume": {    "region": [1.890981,0.595483,1.891118,0.595589,0.000000,8.106579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1367081.b3dm"}}}