{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858196,-0.513322,0.000000,0.000000,0.262917,-0.439559,0.858873,0.000000,-0.440098,0.735778,0.514728,0.000000,-2809497.552781,4697057.210202,3263925.760865,1],    "boundingVolume": {    "region": [2.109765,0.540628,2.109929,0.540753,0.000000,72.442900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_421174.b3dm"}}}