Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAWHH8ME4v2A8qZo8OeLtPWd1pOPxbsDrUTg1tG7R3/sw7Z5hduhDEulOjp… (1,748 chars)"
  }
}