Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBxmL9etea747xII4PdIjvvd8YEeP6/EtJA/4jaLLkFzHagd2ZnV0hDB8xL… (1,748 chars)"
  }
}