{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948783,-0.315928,0.000000,0.000000,0.176446,-0.529896,0.829504,0.000000,-0.261513,0.785365,0.561082,0.000000,-1669725.281072,5014451.504501,3558452.715753,1],    "boundingVolume": {    "region": [1.892163,0.595639,1.892300,0.595746,0.000000,8.617399]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/6_1146923.b3dm"}}}