Transaction not yet indexed

c21NPD6sR71t6SBRfnbc6NTYfLyDNGEBdzym4Z2n79EjoLcC91Jb5WmZpEF2JjYYXZRw9mA18xvHyp4gJS5cgeS

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