Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDQgNbpfHxGwTbqbzdnEhh9YyIqo1bIIsjpIVbjmst2s1QUJu+agB5MBrGH… (844 chars)"
  }
}