Transaction not yet indexed

53c21AvRxcJKeEqu3WjBvE77o6SETDNACtwwJ9JTc7XSr8LJkTc9YHkBesu4hcE428EpGA9MMCBZ8XkRHSjg1CxR

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