{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950589,-0.310454,0.000000,0.000000,0.173672,-0.531771,0.828890,0.000000,-0.256789,0.786271,0.561994,0.000000,-1639568.775090,5020253.051357,3564251.298054,1],    "boundingVolume": {    "region": [1.886418,0.596746,1.886515,0.596844,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395586.b3dm"}}}