{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949669,-0.313254,0.000000,0.000000,0.175042,-0.530661,0.829313,0.000000,-0.259239,0.785915,0.561367,0.000000,-1655208.704262,5017969.358650,3560263.044094,1],    "boundingVolume": {    "region": [1.889338,0.595952,1.889491,0.596121,0.000000,5.433759]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1350580.b3dm"}}}