Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQClQMf6mS84K3yAv+IzQUAx0cwkohvPjVE6LtOAm+jA9R7BbzyNrSwjJ4v8… (1,748 chars)"
  }
}