Transaction not yet indexed

5Mmff6cb9H7ZnPtrZu6UxbQZboWs64ysQQaJKeGzDcNUqprDnVAGrbMvoY2ACiwiFuG9SuCSYnFp6NgYLi5wp6wX

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