{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950735,-0.310005,0.000000,0.000000,0.173526,-0.532176,0.828660,0.000000,-0.256346,0.786172,0.562335,0.000000,-1636745.446104,5019627.728335,3566414.396135,1],    "boundingVolume": {    "region": [1.885912,0.597122,1.886078,0.597291,0.000000,8.620254]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383331.b3dm"}}}