{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951605,-0.307324,0.000000,0.000000,0.170648,-0.528398,0.831670,0.000000,-0.255061,0.789776,0.557851,0.000000,-1628510.369552,5042554.196428,3537919.629216,1],    "boundingVolume": {    "region": [1.883122,0.591751,1.883230,0.591838,0.000000,6.385609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/40/44_1321871.b3dm"}}}