Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFg/CqhDm4Nqj0HwZmTHh5702uyPelE3od1yyb0llnMz3P4Knns5rLCmQQ8… (844 chars)"
  }
}