Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCsL/DGz2OEX7eIf9NUGDz7VnCA0pg6zzkLwLczxD+FEzLX8O03/RuV9/Sm… (844 chars)"
  }
}