Transaction not yet indexed

421cb1R33u2b1thqpVsmbzc6x3E6dhD4gBVqrA5ydWMVPJZ3eZfq8u1DnuFPnou658pb28iVoH7sLwVXnGNPYnvN

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