{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949317,-0.314321,0.000000,0.000000,0.175516,-0.530095,0.829574,0.000000,-0.260205,0.785873,0.560978,0.000000,-1661371.021238,5017696.365332,3557793.315442,1],    "boundingVolume": {    "region": [1.890469,0.595514,1.890606,0.595620,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366885.b3dm"}}}