Transaction not yet indexed

21A6nRHM1Q2uQtwFKrZopAWrcqUx5PgXq1wtKkkEMezgmHmFWSMD1FFqWocYjYEJuaXgkTBuFX5ZcoJGFc4hoMDk

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