Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBtV0QqAs2Y47hcBUiaKvGx4JGg9hlFjIrY8LQwBTILIi/uQeTv8bu+2+r3… (1,748 chars)"
  }
}