Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD0mfn8nTN2A5D3u/Xc5Q+IBsGmIuX05SbXm0kDCcRTGSDwu87mB1Hug6jZ… (1,748 chars)"
  }
}