Transaction not yet indexed

5MMNBHzZ34CTKYW8ij1D4XvqoVuf4qihHG19YjpPHk7BCauqwfbenLyFmUpgAgimgPxMSaPCAu8G2vZng2QMsgFx

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