Transaction not yet indexed

21iZSKvWzf7XmcK4Ua2mTcnqufPiLieKGMaWF4DZ4s2yKDwuqoJXLFnQb3xaL4S4asRgi94BJrLcsNQeVfWT5pt6

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