Transaction not yet indexed

MJk4UPr2cmKSwcKM2HzHWbf5Qc1nsbsMvyjdgyrXmE7ymN2zd6Hcs2uKWAWPyTcEJ9LFvtK2oBEmmEiFWK749MB

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