Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/BvvvhkVBIUH6cj/wTfbnsgdvW3lLpBQ4BZszTRlZ8npTEXN6OnXc1vUA… (1,748 chars)"
  }
}