Transaction not yet indexed

53Kkb54MeLXGoCbXD8um4d8SbYnApRx8AjbV7vd9AV89Zee6AvPFZY8fv9TfwpshTEiLmjGQAZxhEVfFH21ETRM4

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