Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFkBzG1U2P6A/1Jn/r6JF9BGrHzDJZd8ryWYoiyv7k7X3pv1eiYUJrCanwz… (844 chars)"
  }
}