Transaction not yet indexed

MUNK8TWaMPjkWn6ir3j33VQmcXLdFJs5ypb3wpPf8LBWKe6QRWZzPqNEB7okctFAfgzqu943BLt2t5A4MsTUjM6

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