Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCkxpOU9MJSuN8qPHA1LD70wl+eSc6W/2BZFQvqm3N0Nl82v7HkUR4Q/aHK… (1,748 chars)"
  }
}