{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949890,-0.312585,0.000000,0.000000,0.114540,-0.348065,0.930447,0.000000,-0.290580,0.883020,0.368562,0.000000,-1854205.125100,5634587.439211,2336065.185174,1],    "boundingVolume": {    "region": [1.888699,0.377452,1.888721,0.377471,0.000000,16.021442]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/31/17.b3dm"}}}