Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7qfCORrxEcwI88xFf2T4AYBn31eYwTCiG+qI6TH0hHCSNYQD2HqXvG7mx… (844 chars)"
  }
}