{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898922,-0.438109,0.000000,0.000000,0.282988,-0.580641,0.763396,0.000000,-0.333511,0.684305,0.648457,0.000000,-2130182.216738,4370749.545576,4114053.331124,1],    "boundingVolume": {    "region": [2.024208,0.705496,2.024373,0.705615,0.000000,7.217445]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1827951.b3dm"}}}