Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAQxZ6P1JL9r+VEPq6NWBxXKnaB4kRqn0HSZr5kPBL8aFa71ueYkf/Z+q5x… (1,748 chars)"
  }
}