{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943293,-0.331961,0.000000,0.000000,0.186146,-0.528949,0.827987,0.000000,-0.274277,0.779379,0.563329,0.000000,-1751237.482543,4976276.652630,3572736.153257,1],    "boundingVolume": {    "region": [1.909106,0.598361,1.909250,0.598459,0.000000,8.707681]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_568629.b3dm"}}}