{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949239,-0.314555,0.000000,0.000000,0.175915,-0.530863,0.828999,0.000000,-0.260216,0.785259,0.561833,0.000000,-1661447.626198,5013790.810586,3563222.794250,1],    "boundingVolume": {    "region": [1.890733,0.596589,1.890834,0.596610,0.000000,11.140338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1419215.b3dm"}}}