Transaction not yet indexed

MMmRsnZGcEMdu4fSV6pmFPekfVPBkjddSewnQQyUmx3K3x8YbJ4J4q7UpQTR1FFSsjpSyXsoQPPf6vhnom6gUBF

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