Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDJaAyaU2hOlqEU4zQrBXN/NQb04aUA3cBjJJIaGqlOk3+SZNfJoA6wnI5v… (844 chars)"
  }
}