Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEbHY1SjQbAjkygGzuDNsN5Aqsvtk17fcGV96/GU/Q24Sqy7sFcny3Cj1uA… (844 chars)"
  }
}