Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7XOMCTc58pweGydBdTTQxmvpTHUcGlNvyTbTgHhfMeUFY+lC1zZZ98tSN… (844 chars)"
  }
}