Transaction not yet indexed

MFEpkZqfecv5p89PrjpbbkVC5oz8JLd9ftpd6YmhqnhrWexv5herVFSoo1S1jHvWHL4L3byKfk2fyyFcxBpR3W1

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