Transaction not yet indexed

MpmEKZHdKWGFTgRTwdkqDs8UMpBwnmiWqf5akEdaBUhejDyXqgao14u79gBvM3BsuDodGFBk8PKBPyyZ4U5rZXo

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