Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBebymXaXxx+2wo83/7PsLST8A0G2AoA9/CNhT7rSpLQmzI7Wr3Ea1giyPX… (1,748 chars)"
  }
}