Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBM3q1oHD9UDGj4OZw7EuIPMf+4iDtgX/foc44v6XkoEHwXAVqw38RlHD8J… (844 chars)"
  }
}