Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwK//vU/n2MWILr4s7J5j6M2B3txwmggNbxHBeRy3tLd6yQ7+ksQVp+sZwVA… (844 chars)"
  }
}