Transaction not yet indexed

21n4sBkyLuoTL8xJcBVDsvLWjfc5bFUq9uyjhstAF6SPLVRks4GKbcedao6erYbLS3PoJhiirG7cu12xsAzKfbZC

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