Transaction not yet indexed

53uB21YVanEnoRrade1KV86y2msSsSHRaLt3sDJ8N3uqeLRJcTLWVaXVRpkAmfQWv7N6YFjHWU7i1ogqr4BPnRN5

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