Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBTGwGn+m5A66C7sqvD0a1xyjFrMRi7qSfWfXyGtDSYxW+jwF44uYJKHM3n… (1,748 chars)"
  }
}