Transaction not yet indexed

21Bk4gS5mVtwwvsLgTfXQxdfDcNLZcnbdWELP17Vk5jWuFass8wgWUe12ua8wZ2W9vgyWGkbwPq2vZAw6nau7BTs

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