Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBBzRKVjcpNBOeNbG5EJid0ihqnMzLZFljTjXbenPnTRE/qTECvyGZA5/SF… (1,748 chars)"
  }
}