Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDfBtXPBLvrr3V4BrtnVstdjX47pNvdmODjhZR7R+S0QGkcZE5Kvbv7cDTv… (1,748 chars)"
  }
}