Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHA+bJMMTtEG5qjM23Clt9HzPYNF59H3UMFdOd2tu8PmgYwwwpUN8lvo6Zy… (1,748 chars)"
  }
}