{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944544,-0.328386,0.000000,0.000000,0.183604,-0.528106,0.829092,0.000000,-0.271688,0.781463,0.561694,0.000000,-1734696.380397,4989552.320112,3562344.938118,1],    "boundingVolume": {    "region": [1.905333,0.596395,1.905447,0.596470,0.000000,8.811704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_189737.b3dm"}}}