{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892670,-0.450711,0.000000,0.000000,0.290541,-0.575439,0.764497,0.000000,-0.343603,0.680534,0.647156,0.000000,-2194627.141512,4346636.026046,4105774.987068,1],    "boundingVolume": {    "region": [2.038306,0.703813,2.038410,0.703882,0.000000,35.320513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_2008870.b3dm"}}}