Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAgKdtSfdwz3Yj9ifo8QQqEcU/pmr3XGU/R+JalvQlKbQJRqFd9VPdmczm/… (1,748 chars)"
  }
}