Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbkMz/CfjPS+y3sdhgqm9QTCZimQw6Ozm65+s2Kn0HEHoD4mVX0vgus5WN… (844 chars)"
  }
}