Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNQ5rSS+WRwMBrjR7ag5uHd3sq7JYI6a5Y5Sf80fj3QAX2V0/7eMdlznNq… (844 chars)"
  }
}