Transaction not yet indexed

u91pLi5U6kSAJgSWqwpbGdjw9fTwxJQYLRowPgMViFjMsSFFrD9oe6U73uHX9xjUHPTA66h42zcZyUhWSPj1L21

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