Transaction not yet indexed

RB51qjJLCdytevK3KyjGoSoeMjKeB8PvixidTwKXyM5dCnrRcyJ3xp2FtBMbFbJyRv2dcRk6zb6mZUxV19ESyiZ

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