Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCzL8niBMkUo/fNeFTHNV7l5RYWYV3jURvq0B3E1CkQ1VHamtsmghI/fESV… (1,748 chars)"
  }
}