Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDlJo67c55QaJj4TMyR6h3zrk5ZJc4BXhXmkfFNAvYFszCZVaISp8VsbG+k… (1,748 chars)"
  }
}