Transaction not yet indexed

MK478STWiU2edvLbtvRtqzFkpFHWi63A8SVLNKjCJDq9rdFXU3LTrwcs5uhPA1e79t4SrTqykCRGWunSLtr2ZYb

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