Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF5B0TwRLSWeSnsxQaWjZe2QJuEXlqLwGtlOBqAZCJh/h/sgq3wQ2wWYHc4… (844 chars)"
  }
}