Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG9Obq2G4PfP7QoHmKJbjFY8GBJTUofm1+2z6mH5YKScTN47K1JhvzepP3/… (844 chars)"
  }
}