Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHvs0NHiG0/fT6jLkzqgva0JnYsWA3ZmM+8Ar8m5Y+2DxamNMkzEOk+lOc… (844 chars)"
  }
}