Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCwTHRUJRU90/slnWI3fl7pBRU1ipaGqHpRKECxfpbnXX/F8SnzG7rR6BN/… (1,748 chars)"
  }
}