Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFJd4OyN0FrFTH/2rd4gWRxBtXh5LEtE3qzdTG8XQCerE9nPwFw2xdBTg9P… (844 chars)"
  }
}