{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949981,-0.312307,0.000000,0.000000,0.174484,-0.530751,0.829373,0.000000,-0.258474,0.786231,0.561278,0.000000,-1650320.922080,5019983.001615,3559697.171554,1],    "boundingVolume": {    "region": [1.888331,0.595826,1.888502,0.596032,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434078.b3dm"}}}