{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950595,-0.310433,0.000000,0.000000,0.173590,-0.531559,0.829043,0.000000,-0.256820,0.786423,0.561767,0.000000,-1639766.746935,5021218.992277,3562808.991352,1],    "boundingVolume": {    "region": [1.886396,0.596471,1.886494,0.596570,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390200.b3dm"}}}