Transaction not yet indexed

15Du9mQpgQhB2hHj1VbV3ByDBNtVi2AMwQVGbFMDbd3ndaKGTb18wt5Rg7ktDLXAz4fAq5kwJ8SQryq24WAwjWm

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