Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7aMYeRP0DhwnGIJOYxvtOZVFXL1s1Rb1Ukau4/R6YuzpZKHzNGiEwZtYa… (844 chars)"
  }
}