Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD5idHvxv7UU6Fb/TDsak8piPtLYigp1bFuj5z6JfPzBmIJK6fTCeG82yzh… (1,748 chars)"
  }
}