Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAJmQ2wqWDa/Q5Ob6diw7xDTsa5I/Gdd1p0wUziS85ppHULnYMjLLm4zHZE… (1,748 chars)"
  }
}