{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949772,-0.312944,0.000000,0.000000,0.175040,-0.531238,0.828944,0.000000,-0.258866,0.785647,0.561914,0.000000,-1652829.415868,5016266.535746,3563742.860096,1],    "boundingVolume": {    "region": [1.889002,0.596596,1.889173,0.596801,0.000000,8.793669]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/5_1407121.b3dm"}}}