Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAC/bObewBzZZUofR1/dIh9/6VX4JTAcMMw/3RBBhWiAzS7ZOwWhal7KGRc… (1,748 chars)"
  }
}