Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFE7R7p6/A1LVLF5Y8yhnsXdP6mfqN9wa/8iUZQrdLUTGjbip4LYuLsq7ZG… (844 chars)"
  }
}