Transaction not yet indexed

5Ffk99pD4FBCD4j4jSKYnk99TzQRuW3hzTB2YNRhvMdrC6UVWA9FpQJp8WY15ySSt8bh3faGYqZdto55yuSp9xoD

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