Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDXyZNsx+tPO7+to+1o2HP8QimaoLv9iGI2oP8mZxguvEJgn5OLeD6rl8Qd… (1,748 chars)"
  }
}