Transaction not yet indexed

3Mex2yW55g8VZTo2mfDwoFbCCexBq46Edp3eVSuM89j8mL2Drq3hhLpGPRBvQHJhz35qHTtTfrM5GDf7niLsXcfQ

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