Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDry+L7LyM0YbGB05+/8ciTrSY+bbv5C8Nm0AB3jO+6OmWaCZz5Dk9Ak6Ey… (1,748 chars)"
  }
}