{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951194,-0.308594,0.000000,0.000000,0.115701,-0.356632,0.927053,0.000000,-0.285812,0.880970,0.377099,0.000000,-1823813.690092,5621622.829974,2390227.595956,1],    "boundingVolume": {    "region": [1.884429,0.386611,1.884593,0.386714,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_20999.b3dm"}}}