Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC0AUNUuAhvII6ABP36y3/8FzPzQDf4NPDcPyOA/zTW9FhmWhddfMvM6Cfv… (1,748 chars)"
  }
}