Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+4Kg1R8K8YmcO4aMiKO0JZ3+v4TtEP5Df8ANAAjjhgU+48bE4Xgqt8iMr… (844 chars)"
  }
}