Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFCpfL6xvD/mOIVY7Zaf4EkiCzxN9nNb/LpQTLR2NhGiyGN3VoObzOKPKAu… (844 chars)"
  }
}