Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDE1KKmiHd/PdGtqd4mv2/yI9gAvpJt7iSDeBDN6H73Uxz20sBSxkSX7Y4A… (1,748 chars)"
  }
}