Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPv4BxZ0BwVzH38GDLjQ8pwj7Zzq91c7wpavK46oHpCgA1IjrblW97kuNe… (1,748 chars)"
  }
}