Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH/U9L41rixhLv8v86R1H/XKkr3D1MRKDZCZEa9k0JTRX/Vl8Oo7NOMHFWA… (844 chars)"
  }
}