Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFj4MG4boRQ+g8tD4hUhDjAz+bRU94c/f7MNsgKE2u7xw5wHn1Be/EdfvzB… (844 chars)"
  }
}