Transaction not yet indexed

MttwkWriZBp1v8mLpYQtiEshiAEz3dXoXfEKSEwd3kLdZDp9P7EtxBdZspjW5CodLTSao6PSX1CbjCUQPmtAVqb

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