Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBFG+LQfgiBR/Fo8/abRVjbYx0EZxUPej5HVzhAXMkSWAe1GJjeJT4EG8B1… (844 chars)"
  }
}