Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFj30EqZ0PXTc2liZp8j/Zl7KKCsOUrE/M2OtEWTtxOm0SVL/6eebLO1iv/… (1,748 chars)"
  }
}