{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858185,-0.513341,0.000000,0.000000,0.262678,-0.439135,0.859163,0.000000,-0.440265,0.736018,0.514241,0.000000,-2810557.698290,4698586.393464,3260831.443571,1],    "boundingVolume": {    "region": [2.109788,0.540060,2.109952,0.540185,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129880.b3dm"}}}