Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBaxVp/lu01wgzEOT51MfxlLGT7CcBG8cO5dGIXlDAtbQ5kXgYx3Tl5ljnO… (1,748 chars)"
  }
}