{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950406,-0.311013,0.000000,0.000000,0.173931,-0.531504,0.829006,0.000000,-0.257288,0.786231,0.561822,0.000000,-1642756.425192,5019996.084872,3563152.703725,1],    "boundingVolume": {    "region": [1.887006,0.596537,1.887104,0.596635,0.000000,8.811629]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_1391830.b3dm"}}}