Transaction not yet indexed

55D99VrZm6XjzvyhmCqwLuhfUAsfvtqYraCsUmHkypVodnPn2pB4MKAExjqKxbEVJziJa5A8t9c5jQV6BU3qJ3Em

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