Transaction not yet indexed

5Samm4gVpzkGybuF7XYtA7zu5nf8YiD23yJPSSAouL73sxAM6u7QJu1VQbBXpyRSkFwP8noKqaL729VBgMkSJ6Wi

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