{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858196,-0.513322,0.000000,0.000000,0.262655,-0.439118,0.859178,0.000000,-0.440256,0.736042,0.514215,0.000000,-2810504.644901,4698734.630591,3260664.689450,1],    "boundingVolume": {    "region": [2.109765,0.540029,2.109930,0.540155,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129636.b3dm"}}}