Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC38QldcLupy9p1cTHD9KCyXSQ1AjbmexV9YdmD+nZ9xkIPH6+XjD+3f9pn… (1,748 chars)"
  }
}