Transaction not yet indexed

21FKLwbZEezuPemKNf6qDoPWSa5KgvQnmUYGL76uwD8LMs4NAfGqNFdtD5XhvPHhedu7Ws2j4cwtR6sDnP5jNhE7

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