{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950458,-0.310854,0.000000,0.000000,0.173864,-0.531601,0.828958,0.000000,-0.257141,0.786228,0.561893,0.000000,-1641818.933096,5019978.916875,3563605.905836,1],    "boundingVolume": {    "region": [1.886839,0.596623,1.886936,0.596722,0.000000,13.343096]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1394373.b3dm"}}}