Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH9XmBN2dWlbNu8o9RcyTkq57LzWLp7bKy2m+Kb6OH5ZHXREmH3fdBJvdN8… (844 chars)"
  }
}