Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCTxJ2msiNHKZH4HV1/Gi+IAlRf8rMJz7CD5buHwsOjGySOsxrPrl9Cu+aA… (1,748 chars)"
  }
}