Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC15ucBE6MkV7sjDAe1otlrP+xIwjBf0zItpJENPfhZkRe8G3v9LMrb2gFP… (1,748 chars)"
  }
}