{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950201,-0.311639,0.000000,0.000000,0.173917,-0.530282,0.829792,0.000000,-0.258053,0.786813,0.560655,0.000000,-1647628.900377,5023690.192184,3555738.758496,1],    "boundingVolume": {    "region": [1.887664,0.595118,1.887764,0.595235,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453869.b3dm"}}}