Transaction not yet indexed

2u55jwxeDFSbRaf3M1STopd5eRk9PjpCrRwD68j6cmfk1Xf4dJah8jRsXqAkhaoWU3eNQginxqJpQVvaq4gf8ZNs

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