Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDhto/C3P2C6o6UX4zdO63iYttZcrdNg3CQ0YAg2T/ZxR8q9S4R11xIHnnS… (1,748 chars)"
  }
}