Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEr3mLAC4PzWDKxvRxqPk+gmtvnXbnrhQb6y7WK12rrO1K1SWnBUYnpyFE/… (844 chars)"
  }
}