Transaction not yet indexed

647c8byAK4V5QaJym2UdHARdb3pk2UTh4kBbgeygN8amMmYrRqsBUthzQyBLSpq6Ac4e3DJEqP74J3ApKTYiPBN6

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