Transaction not yet indexed

421ntambuFeKkNGLUhPJtVGqSXsHqfL4Dn4tW2FsxQZrrG6JQzdQrWHp5awdf1R9NCNM1Z4MGM21xtjKYpd7BqRe

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