Transaction not yet indexed

21RkPgNAanFPhthTeu9a5yRobP6DrffQ5jGRVCNthLS9eqvxGh1Q5vFeLmdHES7T2hNKsbisJKYpf6z2nDYAfE8y

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