Transaction not yet indexed

MKMqxv9wbmujUGwrht9dCDMADBf7V52oeZtCbFnVpGRWhCQ8ztaArwjPMVuh7NdbtABUiabd37ZARMBTL8fNVi6

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