Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA1U4nDfTMXjURb5d4PbXnYBxM4TipAAg5mkwQNbX/EJQ2zdeRJK8mKvqzy… (1,748 chars)"
  }
}