Transaction not yet indexed

MNA3uEtvJFuXMAnh4L7hjnwDXku7MQqavvqv1dCvnti3p497kPtDZhXKMjoXp9AwR6sjiTMPEyJD9zRT1ZWEf99

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