Transaction not yet indexed

278k2F4y8vfTecFVwWb8vujQ8Kh8T1BCFCccvXFC4vKQebE6tjMNibTCPCWLBexdqQEebbGRwVtNSDM4fMaqQGS7

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