Transaction not yet indexed

MDcmSvECrCRNaG9ZgPwnKTQPWgAQTXd79xcz3FxrtZfmAS7Qfjf7Wbkf7wsWUPUmWRn2PvdQJgjcFWK1QmeCUz5

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