Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHhoVJR8PF4IiMa51VcihliA2Jx8h2frcKI0wkJdVWybQ0cPL/E6j/COKC5… (844 chars)"
  }
}