{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950144,-0.311812,0.000000,0.000000,0.173934,-0.530006,0.829964,0.000000,-0.258250,0.786932,0.560398,0.000000,-1648886.968334,5024441.865059,3554104.147971,1],    "boundingVolume": {    "region": [1.887814,0.594800,1.887978,0.594932,0.000000,8.799563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1376002.b3dm"}}}