Transaction not yet indexed

MLbf1tkVptqfubELqFTYpj8ZwsSL4EEpE3T5F8m3RLU1WtN8gLyzzJPvVumtBzp4yzujDJCSafVGPsEBLp39JhT

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