Transaction not yet indexed

21k5LbKk6rwPcr2AYDVkkAH3iK2qYxjPgynNF7zoBt5Q4eEMr85KDduN89hRjhLP9VrFKV1t7PmWvgMuYYGQQLjm

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