{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896693,-0.442653,0.000000,0.000000,0.282701,-0.572675,0.769496,0.000000,-0.339684,0.688106,0.641190,0.000000,-2169538.721045,4394886.358527,4067823.436186,1],    "boundingVolume": {    "region": [2.029260,0.695992,2.029443,0.696105,0.000000,46.512899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/5_480081.b3dm"}}}