{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950581,-0.310477,0.000000,0.000000,0.173535,-0.531307,0.829215,0.000000,-0.256910,0.786576,0.561511,0.000000,-1640339.940126,5022195.533501,3561179.328433,1],    "boundingVolume": {    "region": [1.886442,0.596161,1.886540,0.596260,0.000000,8.704756]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1341947.b3dm"}}}