{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950210,-0.311612,0.000000,0.000000,0.173886,-0.530236,0.829828,0.000000,-0.258041,0.786855,0.560602,0.000000,-1647555.674774,5023956.120894,3555399.235632,1],    "boundingVolume": {    "region": [1.887635,0.595054,1.887735,0.595170,0.000000,8.814601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453290.b3dm"}}}