Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQACP7t+mzWYTF6rkwpCyE/gSe5kQ8zNkophaQ9dGgy+Q3Yxb8LN3Q24IV55… (1,748 chars)"
  }
}