{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951259,-0.308392,0.000000,0.000000,0.115628,-0.356665,0.927049,0.000000,-0.285623,0.881027,0.377108,0.000000,-1822609.973953,5621988.740589,2390284.757307,1],    "boundingVolume": {    "region": [1.884217,0.386621,1.884380,0.386724,0.000000,50.877537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_22640.b3dm"}}}