{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950501,-0.310722,0.000000,0.000000,0.173782,-0.531601,0.828976,0.000000,-0.257037,0.786281,0.561867,0.000000,-1641155.446691,5020314.238309,3563440.260740,1],    "boundingVolume": {    "region": [1.886700,0.596591,1.886797,0.596690,0.000000,10.947174]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1328543.b3dm"}}}