Transaction not yet indexed

HMM6vDzpQkRVJSiXNhVricfS4QMSgoY8mytjLW3vN6hgj7pkqH8mgMHPj98rbHo6MkEqXuV61zih6kSTFRiS3pf

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