Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAB1d5xrsGdM1qLhTj1/0+3T+/sLfU7yt/kSd8Si+xcZS5TZ5m7pwoCbY6t… (1,748 chars)"
  }
}