Transaction not yet indexed

21Szyy5DABJsDGcEmMvPytzTtTQ85YqeQQGuBMCSJtxJN5VPTZvt1Y1KFaagefbeX2Et7dwikUDLZc6uMxVs7iJW

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