Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDbEaeoMONIG1Bm2Hs+bAcAXROGR1Ui8Qqu0FNfkY+VPSVKbKUNjb73ypvI… (844 chars)"
  }
}