Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHdIs53kqWnL6EFuTW+sAf7v2dbhBeY9oho23LIQ6jINDJz5/GwwILBsPF/… (1,748 chars)"
  }
}