Transaction not yet indexed

53EF1jKGTqjpxk1L4FEddeXSveyhubFPBAqzDsphDpH3GLMXfz6W67YsALFVTbSZgFe9uZJTYWvDVPyM4u2HZqPg

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