Transaction not yet indexed

21n5URkExAkwUDw4VSg8VbneUVbPvEnygDS5fBjgWpgNdwBA9FMVB1JSVE6DEJvmJ4jQVdWBgcA5FdkSKPKURhw3

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