Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD3LaNMYYd5qGcLGs/3tSq5LpUSwxAXxfHE5/AqW5NDZS2fmQoWatqG+YSl… (844 chars)"
  }
}