Transaction not yet indexed

21ECSn2t5JhSpvmoz7oZmvGPF9Cobkxgpwaq41hNv6JBcaVZeahMYL23Z6egtV22cw9pyWayUc1czdEZJMdfQpa1

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