Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBUaOPP6eb7L8BTqFugj1p0anXxRiL4N3hucr49mXJGbHEPH1J5k8J8F3I8… (1,748 chars)"
  }
}