{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308548,0.000000,0.000000,0.115754,-0.356852,0.926962,0.000000,-0.285740,0.880896,0.377325,0.000000,-1823361.053418,5621155.576929,2391661.725561,1],    "boundingVolume": {    "region": [1.884381,0.386855,1.884544,0.386958,0.000000,4.153657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_66914.b3dm"}}}