Transaction not yet indexed

5An66mUdyv1SAbGSx6SLudQKJwUwVaQQqApgrHaLnjU6a3JMknF3ak3GVtzuVix5PzJUpNAfZW2xVfcunVAYtDL9

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