Transaction not yet indexed

53df6FtKyFBkkT3KujKSh6q6LvP4EhEXym6tTodp2NhqfwrPqFyRL4TRNFVktbe5W8LEVcmoR8aKbNZbz5UYe3H1

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