Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCW+3p+dn9TrnuqVBlZs7PcXqQeb3JXh3v6vDbOf+zAswAUNj80lbdy+mf/… (1,748 chars)"
  }
}