{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949965,-0.312355,0.000000,0.000000,0.174509,-0.530736,0.829377,0.000000,-0.258515,0.786222,0.561271,0.000000,-1650584.766663,5019924.935654,3559656.996345,1],    "boundingVolume": {    "region": [1.888382,0.595819,1.888553,0.596024,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434007.b3dm"}}}