Transaction not yet indexed

5f99QGtnULKveD6PsL8YSqbzU5b9VpoeBD78YLi9oPgR18ZHBWG8ALUbkqcp4Lyj6WoXCUH8k4afRTpqfKqthEB2

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