Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDiyw6gCscC5CnVsWhnkRstJ/i/qhob2fYDJtpTAqF5Sxl8BtyVR05Qt2QZ… (1,748 chars)"
  }
}