Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDTK8/R4OkAKG/4mzmaOIEftfP7W4NYMC1suUU2so1GKRHv5wyBKg/D4yEC… (1,748 chars)"
  }
}