Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBogQfauzAfzJr8vUJ+HI+bI1waKYX12PyDiG9mUkDDHDhGKMQ0f12Qzqeu… (1,748 chars)"
  }
}