Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD6G9a8Xm9X42DMBpwYFdVD+fel1JBKPo+YkArzadHZ2TsKoyNT5AOx66oY… (1,748 chars)"
  }
}