Transaction not yet indexed

5n998yjUSYaRoZKKihcpztZpNpfcnR3ehvPSwA6QqPsZdEdi36rmd2ER5mFwAQm6gQNQw2b7h4rqCmWo7yybH2rn

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