Transaction not yet indexed

278Gsk3PBTLkAAR4gsd9BnAmjFbLn8kLFj4u2538PW9HWnqSj7eKXUTBZTi4dMFEEuo9JGzSfp9sM7MxVoX4ao59

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