Transaction not yet indexed

53upbaHaqcB1KpXtfA7nQWXWLKrQMH7NZMBNaNdi55mh4BzVaMnPQYT64WbSBtPHKVmStLyP8QX2PH1KWak1LDfk

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