{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896857,-0.442321,0.000000,0.000000,0.282572,-0.572946,0.769341,0.000000,-0.339361,0.688092,0.641376,0.000000,-2167475.614481,4394801.463593,4069006.824262,1],    "boundingVolume": {    "region": [2.028890,0.696234,2.029073,0.696347,0.000000,55.811369]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_457880.b3dm"}}}