Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+vEzxWl2vQc/JJcZgofSqp2g1GC9vwzT/qn6M4zbhhwF7FwnYXfQ7wij4… (1,748 chars)"
  }
}