Transaction not yet indexed

YSEF5MbpdTJD3pyd3n9p6J6DU5Bkf9oYuoFuKy8ATHPqf4exrqPVAm9hs53YGar2gAxKYmAAAACBkP4TfJtZniU

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