{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950556,-0.310552,0.000000,0.000000,0.173660,-0.531547,0.829036,0.000000,-0.256916,0.786384,0.561778,0.000000,-1640380.540474,5020971.456165,3562874.852915,1],    "boundingVolume": {    "region": [1.886521,0.596484,1.886619,0.596583,0.000000,12.750379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_1390431.b3dm"}}}