Transaction not yet indexed

MSTKzPouRYebUpSSLfCPg6UnDji7QFciP7BwtB25dUmSDpfGbtqXAt6wftQV8Mfm6zLbPcSMbRPNQKfBhNkrnQ1

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