Transaction not yet indexed

5b1gbwcDvMeuTucq4XQ2T19esgHkh3mm4Ggufb2CfcyRqUbeL9SyMmYAvEUbKbon9FoPSwBjPn5QycCDS7VNrRUD

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