Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDaVpQnHhe5h2peawShSXjx3qisxUd/hbW8iEFcGXz3HxrLF5iQ9qT/jl7y… (1,748 chars)"
  }
}