Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEfA0NnRaiLWqRmyguBAL7UcbiMUmZFPKdz/4rG/4hqeykuAu+Pqvd5uRy8… (844 chars)"
  }
}