Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDEh0vFrchZdlNO3GE5i8yg7HvzeN+NXVPaX41jn/7ojyX354Sw1Quo8lNx… (1,748 chars)"
  }
}