Transaction not yet indexed

1mM2qAYu7zZJxF64QJFgpJrmhH89BZGmb8YQC71PsiY2E6fHeGndEvEurxMMeLQdjkg3MH6NckZMXQ1v3u511wH

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