Transaction not yet indexed

53U3pZdHa4kwZmgyf54yM9CyPWQY4eK2QaDzzjjMJfbPyqgD4wpc139vHXKmMAFh27gngKEBUnzAybKcMH3R36dU

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