{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949086,-0.315016,0.000000,0.000000,0.176090,-0.530527,0.829177,0.000000,-0.260654,0.785303,0.561569,0.000000,-1664243.631157,5014063.418562,3561545.297775,1],    "boundingVolume": {    "region": [1.891201,0.596227,1.891339,0.596334,0.000000,8.649238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372872.b3dm"}}}