Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHhlMuSdrJO3M/Ym3/TN+0xkRUmGP+Bv4UKevcrQ3fYCjSuLWazn7Mjns2g… (1,748 chars)"
  }
}