Transaction not yet indexed

53c51hJ96c3GCfTD14zEdBwjEm2fkB5e15ag699giSJ9manzzyaQ8vdeWtppZuuioHCUMbdNTmwh8SWAEfME5r1r

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