{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950198,-0.311648,0.000000,0.000000,0.173924,-0.530285,0.829788,0.000000,-0.258059,0.786807,0.560660,0.000000,-1647670.101679,5023654.192771,3555770.315152,1],    "boundingVolume": {    "region": [1.887674,0.595124,1.887773,0.595241,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453914.b3dm"}}}