Transaction not yet indexed

RQEEm9k3pk4w9fcS5Ujtz2PVQFwtLwaHbMstPMHCg8SVmAxmNECVeGJJwfkttL5HZiHNgDSqhVNRF9pUNGDZ1KS

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