Transaction not yet indexed

1NM3U4n79h6G1sm9VSa6Mg9vPqA3i8mRX5GREn1w9gQSNQfGARNJcCSkWxWeb7y5qBcj3BDNonaWFtMrxqNhvfc

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