Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBWqZ526fGWJIyRcOnImqGoNVS/ERV9wLL4V0PedIcPvmY4p6F3kL/G4/xp… (1,748 chars)"
  }
}