{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949978,-0.312317,0.000000,0.000000,0.174595,-0.531069,0.829146,0.000000,-0.258410,0.786011,0.561615,0.000000,-1649920.138477,5018586.023303,3561837.666797,1],    "boundingVolume": {    "region": [1.888341,0.596233,1.888513,0.596439,0.000000,16.008612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1401900.b3dm"}}}