Transaction not yet indexed

MwJMtStQ9tvdWNbErdnLM61qU6PSftPhdAN5Rkb6YoZ3hfxK1ufe1PBZ2ntQd4uHGaqnDjqAMSWYDcYmmmUuMq6

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