Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGynM7eTMwG0eSS1C+WYbF/qmyjVh1j0d7ct1k28bDqhyG/2GvhfqReZ3vh… (1,748 chars)"
  }
}