Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFnZdOA1+8Rmk3r91tmnEIg2IpWgaXdS1T3zLIwqv/18jYa9PjBZC/pmMXq… (844 chars)"
  }
}