{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949150,-0.314824,0.000000,0.000000,0.116091,-0.349998,0.929529,0.000000,-0.292370,0.881452,0.370893,0.000000,-1865633.424338,5624614.856420,2350852.051656,1],    "boundingVolume": {    "region": [1.891014,0.379913,1.891122,0.380028,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_1289.b3dm"}}}