Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDiJ8wdEusSZTk+pCF8nRhHXN0C24JfBkkYVETCZlDiknAAz0sqRMcHfWhZ… (1,748 chars)"
  }
}