Transaction not yet indexed

SMLRTUsCoWrVRB4SdzP3aZekEBG3jnsUFoJYbRHA5CEkRNuPCB8Qu7Q5sEB1LLieiYHKQSfR8zHhK5ziMk9xT56

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