Transaction not yet indexed

1SMf19YFN644q61WqSX78ZmWNzWqSR6qnDE81HJLyw6K9vWeTh5ipcJaL3fqbrAfjbcATXg2oLvnYYoF5mkynSP

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