Transaction not yet indexed

21zfEx2aLWY8ThpHn2UvpdgaVrQ5gydBcR4bHrcNkARYeBtVASbdmu6Md4TYQ2m3bd3THaSeJPiXAWtaW6S6vuSU

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