Transaction not yet indexed

NmS7Tkf7eCoGDpnWP2MqiFybjEGB8BUeSaBq3TRmMepwkjr94exVCJTCvDsUviw7Tx9TPtWtNeow7kPNDCJ5Uvk

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