Transaction not yet indexed

NU5koT3iMawcyuiD7oNTsRASxaJwktbaDQXQ7U9KLqUr9nyCRR5H9QMoYCTAEBj9My2srZ3YNUmDMYsURvj4hS2

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