Transaction not yet indexed

AmNdbcsDCqgfZ1CRgL6que9FCY7r1TNb143KE9YPk6AkCvnKeZa1Pv1Z5nuMV7setUSnZP3kZ7F6Y3Dp4SLFYsT

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