{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949324,-0.314299,0.000000,0.000000,0.175786,-0.530952,0.828969,0.000000,-0.259994,0.785301,0.561877,0.000000,-1660035.528783,5014057.728648,3563503.450994,1],    "boundingVolume": {    "region": [1.890463,0.596642,1.890565,0.596664,0.000000,7.517499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421380.b3dm"}}}