Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB9FEqx9Wu6sI8HgjqkSPafl2/Ph3ZwQcRhVHk2S0AivSJZa8p0UMeHXwD/… (1,748 chars)"
  }
}