Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGKuI0e1KJB6YJgD3iqkDDs6p768tqBnLlZD4TtMgD6PkRO7OOblzTF40Lm… (844 chars)"
  }
}