Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB8Mhgr31AvTtLwi54GjCm/DPAn+wC8dTd5S2wJgKsVTE9Koct/8ROCB6lq… (1,748 chars)"
  }
}