Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAWpyPRLOhb5r25JO3g8hh1F2QZcjYPEttvPDzVmITcFida1gLhBSoesNRJ… (844 chars)"
  }
}