Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDkXC7AtdUDq4zVtAYKfzHUizMyc4gP9J+ewku18UMfvQB1jJyCKY4W3aly… (1,748 chars)"
  }
}