Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBe503pobYPgYmx+Nwx6qoSx7lnH9JYE8cV7dAHKlafmEhhFw/G9PeJ0v/0… (1,748 chars)"
  }
}