Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDr2/5kQGGSFERl/WwXa+Rni0PwL4Olgx4jeGHS75iBS13txhFO5pzHc1xy… (1,748 chars)"
  }
}