Transaction not yet indexed

1SemUfeyKvjBYf7V6jzfoTqsDiNdBi1sKkXPgwuMsiKqWwmgKKeCTWMHkERRY58kuSLRTYLv21d9gg7Vnr2UqhG

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