{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896876,-0.442282,0.000000,0.000000,0.282429,-0.572719,0.769563,0.000000,-0.339429,0.688307,0.641109,0.000000,-2167911.497920,4396167.907616,4067309.615800,1],    "boundingVolume": {    "region": [2.028847,0.695887,2.029030,0.695999,0.000000,39.667536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_455540.b3dm"}}}