Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAA2vNqXJt1hRlvDyzRKUvDNfcY6CHHJ2zJzcnaPNQdKSBHazebVzxw5vHB… (1,748 chars)"
  }
}