Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAQJW7ZRNm9GeArWs9YPjq2x/p4azvgDAVcoKbz5Nyd5yQrcVqmlpvOLuXJ… (1,748 chars)"
  }
}