Transaction not yet indexed

1STm9kgpwesLUp9TfVu4e6J8q6W2QKvPyP3ucSS41FkRmSSC7h6RsRAsEkxCL2wQmZ3nEqtKSZxRVnnnAHaD49S

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