Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZkvFE3hK18DQCWAXu0ehXrBaUqgF5tZAu+YBUAUwACXjywxXb8HnkenLh… (1,748 chars)"
  }
}