Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQE3LDZtNXVRzgKElWPNP/8ZTWUaDK5L9NBu+hl3PUNquCZKyHvQZJA+4pdF… (1,748 chars)"
  }
}