{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951206,-0.308558,0.000000,0.000000,0.115661,-0.356553,0.927088,0.000000,-0.285789,0.881015,0.377012,0.000000,-1823666.615840,5621908.220158,2389672.259367,1],    "boundingVolume": {    "region": [1.884391,0.386516,1.884554,0.386619,0.000000,59.116220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_8348.b3dm"}}}