Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDIozePFk5xp8f3nC8nwmZRWsxAT5HbDoWbqZJ/vUKvFTWTN0ejHGEEBBBu… (1,748 chars)"
  }
}