{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951152,-0.308724,0.000000,0.000000,0.115789,-0.356737,0.927001,0.000000,-0.285916,0.880881,0.377227,0.000000,-1824478.438801,5621060.402520,2391037.402891,1],    "boundingVolume": {    "region": [1.884566,0.386749,1.884729,0.386852,0.000000,43.798470]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/15_32975.b3dm"}}}