Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGwPG/O5Siv7SoHaj/kbaCZ1e+GjZnFfZNf6BNp/dFsFwXThXLTMag5XOOZ… (844 chars)"
  }
}