Transaction not yet indexed

Nk73cSRMbyUD1ELuhMpPc26sEdxYuJRHN1AMmnpAoUWU6bnxNQCEChjkTAQSXpYBikmXdcn3c9y7Pvq61pEmu1b

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