Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBO9hbmvsG/snBsuHI0ATlElkDEsn51yqSk5zNh6BlLmj5K7Ue6+1/h2JR7… (1,748 chars)"
  }
}