Transaction not yet indexed

21u8bsPB2YzTkCuDR4MsdCSwyKBcUiFbxFMTiVu9ST5ZBcUKbv4HssMUTxd7SyqFZTHfMh8g23wHHJsFpU8gLRak

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