Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDP9gNu5H6aoGNSGALYgbi3qIcMxw3DjB8nTNQcTr6VFHRcFFSP2y83Ukxu… (1,748 chars)"
  }
}