Transaction not yet indexed

21RBfirVhSXwMvjAn6KSCdRWiHqUNC76mPoRQJrjCiYu7rs7P8YMZYsNiWGQ1DPKWAsknguccRfiwvk2GooQVrW5

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