Transaction not yet indexed

UQ66SXQgPDGhGcZaZ9KCDUbdagGfpQEgWkK2n3tJwHkhbtTSFk1BrYfqN4coU6tJof9QGXW9vuqgXyf65om9ZUo

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