Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGUd5w1u70UNrITkd8BWjasl+nTZFyQjb+dXDjFAxEmBEbfYNIxizzJQw4v… (1,748 chars)"
  }
}