Transaction not yet indexed

53REX2c9Bw9vfTfnFmFpPefc2p1k36rnH4CoR2L6DYEbGmAvmRCmM1Rm5SKRpi5UFF1zDaNguUEzPRnv5YfGcbnj

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