Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHgsyXsVqGz6xW3V/k5h0JJCVB0sX0c90ShyHw1l8kmonXy9lIk3oIGavsC… (844 chars)"
  }
}