Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGEtDlGOYGJeEcMNc0tE4h6+TpNBV/iNlnre/YesYRP4wTi0b3YzlGKUqjB… (844 chars)"
  }
}