Transaction not yet indexed

1mdGSrmDsW5ddoSqo5gce2Rd6NCe3kbp4grVexetr26gZ2PrwBTsVrARiBkLDFtpYM7unoVBKrEGWiLQRJbFJvk

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