Transaction not yet indexed

MMfDQk4LxvWV2bro5AVG1CTH1B2Y2q87F9bvUwQvMubwJ2oh8Se8PiVEEcwd4yL3AhAUXXTv12ACWnRLGsCe7Yk

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