{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896850,-0.442335,0.000000,0.000000,0.282557,-0.572893,0.769386,0.000000,-0.339391,0.688128,0.641322,0.000000,-2167671.362360,4395026.554290,4068661.740334,1],    "boundingVolume": {    "region": [2.028906,0.696164,2.029089,0.696276,0.000000,55.811369]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_457887.b3dm"}}}