Transaction not yet indexed

21TkZaBYeJ4c2psNduMUSQuBtP86vivz7WxDUFsQ5w2z9hsmRm4j7U1FYehYZwQQ2FiQGHyzSJDGCkZxXDBp7vx4

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