Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA0NbQlvGBGa6HP+nIUPbh+8WvJ5+w9lbWlNbhUh4A16hurzc9RKYAcIPBa… (844 chars)"
  }
}