{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949180,-0.314733,0.000000,0.000000,0.175490,-0.529247,0.830121,0.000000,-0.260719,0.786283,0.560164,0.000000,-1664651.348179,5020298.470434,3552620.274153,1],    "boundingVolume": {    "region": [1.890924,0.594489,1.891019,0.594679,0.000000,8.817541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/26_1380966.b3dm"}}}