Transaction not yet indexed

21528RXTHmucZzXaqo5snwRr8qs8bMGKdMDSg57wWUqUxBxf3o2baPoYNtiMvrPxPYbEMTWF7KtxAx5WikKXAKtj

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.