Transaction not yet indexed

PMkTnsubJ1iVaKBLnDtdwoAo2VKLLX76RcqAaFGGm2eTvQM6hAdHcTJ1MkMcjAwBZbs69wwATXFbNgeqBn6QfPf

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