{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896546,-0.442951,0.000000,0.000000,0.283409,-0.573627,0.768526,0.000000,-0.339481,0.687119,0.642355,0.000000,-2168251.906248,4388603.515362,4075235.935696,1],    "boundingVolume": {    "region": [2.029600,0.697493,2.029768,0.697642,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_503158.b3dm"}}}