Transaction not yet indexed

Lu53HmvT9gwrYkDb6J2cmL8ru2G3uWf51QM1X1fDEWpR9PVvVXomPbeKE7ScgQSC4HV2k35kdk7vEmiwKSAFegS

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