Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHrepJF+u+a0A07jke3tsRNKShh/nAn9QnbYFTg9gStRwzl0hXxo45Lkvc+… (1,748 chars)"
  }
}