Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCeWX8gCKm6bBhIqYaP3OEMDKyZ/GEBlU2Q8wdtIBEPnQn6awf8FG8lWCQC… (844 chars)"
  }
}