Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDvGzzBxZ2w4+65m7jV+yL4g6lSDR1OctaUmyf3NCFpDmlXc5dT+GEUT92X… (1,748 chars)"
  }
}