{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896882,-0.442271,0.000000,0.000000,0.282309,-0.572496,0.769773,0.000000,-0.339514,0.688501,0.640856,0.000000,-2168448.511367,4397401.883908,4065699.939824,1],    "boundingVolume": {    "region": [2.028834,0.695557,2.029017,0.695670,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_452956.b3dm"}}}