Transaction not yet indexed

642SN8uQbTBqh7FSH9fxJ8TEnBU8UBcaXEwdTo2zkkCjmTW2ARM2F9NAEBm1qiSMDWsQeWdsaKYt7XM4Fa8jEork

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