Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAvcwVsZdYWS4cOPaP1ltlc2aK9KnVPmm+m57BphT3rwEBYHiUYdAUoO2q9… (1,748 chars)"
  }
}