Transaction not yet indexed

xM6S2ntEfZgqQPe62WdQJTP2VCEjRhSqm3CnTKkxavuF6nR7cQaR7HLspSHEj2DP91stcAkM7NFxwKYP8wPB2Lf

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