Transaction not yet indexed

5uk21MrAZGsWvEVzjCp7ACMYeRhqsFpAsm2L7x7tAPe5UVT8d7G7bYPbTC4aRB3KMFqu6Vc5PqcuoPapqp4GcErD

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