{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950568,-0.310515,0.000000,0.000000,0.173563,-0.531321,0.829200,0.000000,-0.256937,0.786552,0.561533,0.000000,-1640511.330052,5022038.771173,3561320.497450,1],    "boundingVolume": {    "region": [1.886482,0.596188,1.886580,0.596287,0.000000,8.783546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1341841.b3dm"}}}